Today we will remove Content Security Policy (CSP) header from pages hosted in web view. Technically it doesn’t matter which web view you use (whether it is IE, dotnetbrowser, CEF or whatever else). It all goes down to the same: we need to…
This is the fourteenth part of the .NET Inside Out series. For your convenience you can find other parts in the table of contents in Part 1 – Virtual and non-virtual calls in C# We know that when we call virtual method we…
This is the second part of the JVM Inside Out series. For your convenience you can find other parts in the table of contents in Part 1 — Getting object address Last time we saw how to read object address. We can use…
This is the first part of the JVM Inside Out series. For your convenience you can find other parts using the links below: Part 1 — Getting object address Part 2 — Reading object content How to get object address in JVM? There…
This is the fifth part of the Availability Anywhere series. For your convenience you can find other parts in the table of contents in Part 1 – Connecting to SSH tunnel automatically in Windows Today I include some various notes around remote connectivity…
This is the fourth part of the Availability Anywhere series. For your convenience you can find other parts in the table of contents in Part 1 – Connecting to SSH tunnel automatically in Windows Sometimes when I RDP into other machine and forget…
This is the third part of the Availability Anywhere series. For your convenience you can find other parts in the table of contents in Part 1 – Connecting to SSH tunnel automatically in Windows Today we will enable PowerShell Remoting in Windows. This…
This is the second part of the Availability Anywhere series. For your convenience you can find other parts in the table of contents in Part 1 – Connecting to SSH tunnel automatically in Windows Last week we saw how to configure automatic SSH…
This is the first part of the Availability Anywhere series. For your convenience you can find other parts using the links below: Part 1 — Connecting to SSH tunnel automatically in Windows Part 2 — Connecting to VPN automatically in Windows Part 3…
This is the thirteenth part of the .NET Inside Out series. For your convenience you can find other parts in the table of contents in Part 1 – Virtual and non-virtual calls in C# Last time we saw how to modify library on…
This is the twelfth part of the .NET Inside Out series. For your convenience you can find other parts in the table of contents in Part 1 – Virtual and non-virtual calls in C# Imagine that you have a managed library which doesn’t…
This is the tenth part of the Concurrency series. For your convenience you can find other parts in the table of contents in Part 1 – Mutex performance in .NET We have already seen how to implement custom mutex using memory mapped files…
This is the ninth part of the Concurrency series. For your convenience you can find other parts in the table of contents in Part 1 – Mutex performance in .NET Last time we implemented custom mutex based on memory mapped files. We can…
This is the eighth part of the Concurrency series. For your convenience you can find other parts in the table of contents in Part 1 – Mutex performance in .NET We know how to use global mutexes to synchronize processes. However, there is…
This is the seventh part of the Concurrency series. For your convenience you can find other parts in the table of contents in Part 1 – Mutex performance in .NET Last time we examined an interesting behavior of Mutex when it is abandoned.…
Today very simple trick to capture whole output from Powershell. Let’s see those files: 1.ps1
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echo "1_1 STD OUT" write-host "1_2 HOST OUT" write-error "1_3 STD ERR" .\2.ps1 |
2.ps1
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echo "2_1 STD OUT" write-host "2_2 HOST OUT" write-error "2_3 STD ERR" .\3.bat |
3.bat
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echo "3_1 STD OUT" echo "3_2 STD ERR" 1>&2 echo "3_2 STD 3" 1>&3 cscript 4.vbs |
4.vbs
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Wscript.Echo "4_1 STD OUT" Set fso = CreateObject ("Scripting.FileSystemObject") Set stdout = fso.GetStandardStream (1) Set stderr = fso.GetStandardStream (2) stdout.WriteLine "4_2 STD OUT" stderr.WriteLine "4_3 STD ERR" Set WshShell = CreateObject("WScript.Shell") Set WshShellExec = WshShell.Exec("5.exe") WScript.StdOut.Write WshShellExec.StdOut.ReadAll WScript.StdErr.Write WshShellExec.StdErr.ReadAll |
5.exe
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#include <iostream> #include <cstdlib> int main() { std::cout << "5_1 STD OUT" << "\n"; std::cerr << "5_2 STD ERR" << "\n"; system("6.exe"); } |
6.exe
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#include <iostream> #include <cstdlib> int main() { std::cout << "6_1 STD OUT" << "\n"; std::cerr << "6_2 STD ERR" << "\n"; } |
Let’s now run this with powershell:
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PS C:\Afish\Playground> .\1.ps1 1_1 STD OUT 1_2 HOST OUT C:\Afish\Playground\1.ps1 : 1_3 STD ERR At line:1 char:1 + .\1.ps1 + ~~~~~~~ + CategoryInfo : NotSpecified: (:) [Write-Error], WriteErrorException + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,1.ps1 2_1 STD OUT 2_2 HOST OUT C:\Afish\Playground\2.ps1 : 2_3 STD ERR At C:\Afish\Playground\1.ps1:5 char:1 + .\2.ps1 + ~~~~~~~ + CategoryInfo : NotSpecified: (:) [Write-Error], WriteErrorException + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,2.ps1 C:\Afish\Playground>echo "3_1 STD OUT" "3_1 STD OUT" C:\Afish\Playground>echo "3_2 STD ERR" 1>&2 "3_2 STD ERR" C:\Afish\Playground>echo "3_2 STD 3" 1>&3 "3_2 STD 3" C:\Afish\Playground>cscript 4.vbs Microsoft (R) Windows Script Host Version 5.812 Copyright (C) Microsoft Corporation. All rights reserved. 4_1 STD OUT 4_2 STD OUT 4_3 STD ERR 5_1 STD OUT 6_1 STD OUT 5_2 STD ERR 6_2 STD ERR |
Okay, we have all STD OUT and STD ERR streams.…
Imagine that you are writing a top-down dynamic algorithm. You already represented your dependencies as recursive functions and now you need to figure out how to decrease the memory usage and calculate things in correct order. On the other hand, you can just…
This is the eleventh part of the .NET Inside Out series. For your convenience you can find other parts in the table of contents in Part 1 – Virtual and non-virtual calls in C# Last time we saw how type markers can result…
This is the thirteenth part of the Custom memory allocation series. For your convenience you can find other parts in the table of contents in Part 1 — Allocating object on a stack Recently Jean-Bernard Pellerin showed nice tricks for binary serialization in…
This is the fifty sixth part of the ILP series. For your convenience you can find other parts in the table of contents in Part 1 – Boolean algebra Today we are going to benchmark factorization. First, let’s start with the code:
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var primes = new int [] { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, 1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069, 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181, 1187, 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291, 1297, 1301, 1303, 1307, 1319, 1321, 1327, 1361, 1367, 1373, 1381, 1399, 1409, 1423, 1427, 1429, 1433, 1439, 1447, 1451, 1453, 1459, 1471, 1481, 1483, 1487, 1489, 1493, 1499, 1511, 1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579, 1583, 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1657, 1663, 1667, 1669, 1693, 1697, 1699, 1709, 1721, 1723, 1733, 1741, 1747, 1753, 1759, 1777, 1783, 1787, 1789, 1801, 1811, 1823, 1831, 1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889, 1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987, 1993, 1997, 1999, 2003, 2011, 2017, 2027, 2029, 2039, 2053, 2063, 2069, 2081, 2083, 2087, 2089, 2099, 2111, 2113, 2129, 2131, 2137, 2141, 2143, 2153, 2161, 2179, 2203, 2207, 2213, 2221, 2237, 2239, 2243, 2251, 2267, 2269, 2273, 2281, 2287, 2293, 2297, 2309, 2311, 2333, 2339, 2341, 2347, 2351, 2357, 2371, 2377, 2381, 2383, 2389, 2393, 2399, 2411, 2417, 2423, 2437, 2441, 2447, 2459, 2467, 2473, 2477, 2503, 2521, 2531, 2539, 2543, 2549, 2551, 2557, 2579, 2591, 2593, 2609, 2617, 2621, 2633, 2647, 2657, 2659, 2663, 2671, 2677, 2683, 2687, 2689, 2693, 2699, 2707, 2711, 2713, 2719, 2729, 2731, 2741, 2749, 2753, 2767, 2777, 2789, 2791, 2797, 2801, 2803, 2819, 2833, 2837, 2843, 2851, 2857, 2861, 2879, 2887, 2897, 2903, 2909, 2917, 2927, 2939, 2953, 2957, 2963, 2969, 2971, 2999, 3001, 3011, 3019, 3023, 3037, 3041, 3049, 3061, 3067, 3079, 3083, 3089, 3109, 3119, 3121, 3137, 3163, 3167, 3169, 3181, 3187, 3191, 3203, 3209, 3217, 3221, 3229, 3251, 3253, 3257, 3259, 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331, 3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413, 3433, 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517, 3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3571, 3581, 3583, 3593, 3607, 3613, 3617, 3623, 3631, 3637, 3643, 3659, 3671, 3673, 3677, 3691, 3697, 3701, 3709, 3719, 3727, 3733, 3739, 3761, 3767, 3769, 3779, 3793, 3797, 3803, 3821, 3823, 3833, 3847, 3851, 3853, 3863, 3877, 3881, 3889, 3907, 3911, 3917, 3919, 3923, 3929, 3931, 3943, 3947, 3967, 3989, 4001, 4003, 4007, 4013, 4019, 4021, 4027, 4049, 4051, 4057, 4073, 4079, 4091, 4093, 4099, 4111, 4127, 4129, 4133, 4139, 4153, 4157, 4159, 4177, 4201, 4211, 4217, 4219, 4229, 4231, 4241, 4243, 4253, 4259, 4261, 4271, 4273, 4283, 4289, 4297, 4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409, 4421, 4423, 4441, 4447, 4451, 4457, 4463, 4481, 4483, 4493, 4507, 4513, 4517, 4519, 4523, 4547, 4549, 4561, 4567, 4583, 4591, 4597, 4603, 4621, 4637, 4639, 4643, 4649, 4651, 4657, 4663, 4673, 4679, 4691, 4703, 4721, 4723, 4729, 4733, 4751, 4759, 4783, 4787, 4789, 4793, 4799, 4801, 4813, 4817, 4831, 4861, 4871, 4877, 4889, 4903, 4909, 4919, 4931, 4933, 4937, 4943, 4951, 4957, 4967, 4969, 4973, 4987, 4993, 4999, 5003, 5009, 5011, 5021, 5023, 5039, 5051, 5059, 5077, 5081, 5087, 5099, 5101, 5107, 5113, 5119, 5147, 5153, 5167, 5171, 5179, 5189, 5197, 5209, 5227, 5231, 5233, 5237, 5261, 5273, 5279, 5281, 5297, 5303, 5309, 5323, 5333, 5347, 5351, 5381, 5387, 5393, 5399, 5407, 5413, 5417, 5419, 5431, 5437, 5441, 5443, 5449, 5471, 5477, 5479, 5483, 5501, 5503, 5507, 5519, 5521, 5527, 5531, 5557, 5563, 5569, 5573, 5581, 5591, 5623, 5639, 5641, 5647, 5651, 5653, 5657, 5659, 5669, 5683, 5689, 5693, 5701, 5711, 5717, 5737, 5741, 5743, 5749, 5779, 5783, 5791, 5801, 5807, 5813, 5821, 5827, 5839, 5843, 5849, 5851, 5857, 5861, 5867, 5869, 5879, 5881, 5897, 5903, 5923, 5927, 5939, 5953, 5981, 5987, 6007, 6011, 6029, 6037, 6043, 6047, 6053, 6067, 6073, 6079, 6089, 6091, 6101, 6113, 6121, 6131, 6133, 6143, 6151, 6163, 6173, 6197, 6199, 6203, 6211, 6217, 6221, 6229, 6247, 6257, 6263, 6269, 6271, 6277, 6287, 6299, 6301, 6311, 6317, 6323, 6329, 6337, 6343, 6353, 6359, 6361, 6367, 6373, 6379, 6389, 6397, 6421, 6427, 6449, 6451, 6469, 6473, 6481, 6491, 6521, 6529, 6547, 6551, 6553, 6563, 6569, 6571, 6577, 6581, 6599, 6607, 6619, 6637, 6653, 6659, 6661, 6673, 6679, 6689, 6691, 6701, 6703, 6709, 6719, 6733, 6737, 6761, 6763, 6779, 6781, 6791, 6793, 6803, 6823, 6827, 6829, 6833, 6841, 6857, 6863, 6869, 6871, 6883, 6899, 6907, 6911, 6917, 6947, 6949, 6959, 6961, 6967, 6971, 6977, 6983, 6991, 6997, 7001, 7013, 7019, 7027, 7039, 7043, 7057, 7069, 7079, 7103, 7109, 7121, 7127, 7129, 7151, 7159, 7177, 7187, 7193, 7207, 7211, 7213, 7219, 7229, 7237, 7243, 7247, 7253, 7283, 7297, 7307, 7309, 7321, 7331, 7333, 7349, 7351, 7369, 7393, 7411, 7417, 7433, 7451, 7457, 7459, 7477, 7481, 7487, 7489, 7499, 7507, 7517, 7523, 7529, 7537, 7541, 7547, 7549, 7559, 7561, 7573, 7577, 7583, 7589, 7591, 7603, 7607, 7621, 7639, 7643, 7649, 7669, 7673, 7681, 7687, 7691, 7699, 7703, 7717, 7723, 7727, 7741, 7753, 7757, 7759, 7789, 7793, 7817, 7823, 7829, 7841, 7853, 7867, 7873, 7877, 7879, 7883, 7901, 7907, 7919, 7927, 7933, 7937, 7949, 7951, 7963, 7993, 8009, 8011, 8017, 8039, 8053, 8059, 8069, 8081, 8087, 8089, 8093, 8101, 8111, 8117, 8123, 8147, 8161, 8167, 8171, 8179, 8191, 8209, 8219, 8221, 8231, 8233, 8237, 8243, 8263, 8269, 8273, 8287, 8291, 8293, 8297, 8311, 8317, 8329, 8353, 8363, 8369, 8377, 8387, 8389, 8419, 8423, 8429, 8431, 8443, 8447, 8461, 8467, 8501, 8513, 8521, 8527, 8537, 8539, 8543, 8563, 8573, 8581, 8597, 8599, 8609, 8623, 8627, 8629, 8641, 8647, 8663, 8669, 8677, 8681, 8689, 8693, 8699, 8707, 8713, 8719, 8731, 8737, 8741, 8747, 8753, 8761, 8779, 8783, 8803, 8807, 8819, 8821, 8831, 8837, 8839, 8849, 8861, 8863, 8867, 8887, 8893, 8923, 8929, 8933, 8941, 8951, 8963, 8969, 8971, 8999, 9001, 9007, 9011, 9013, 9029, 9041, 9043, 9049, 9059, 9067, 9091, 9103, 9109, 9127, 9133, 9137, 9151, 9157, 9161, 9173, 9181, 9187, 9199, 9203, 9209, 9221, 9227, 9239, 9241, 9257, 9277, 9281, 9283, 9293, 9311, 9319, 9323, 9337, 9341, 9343, 9349, 9371, 9377, 9391, 9397, 9403, 9413, 9419, 9421, 9431, 9433, 9437, 9439, 9461, 9463, 9467, 9473, 9479, 9491, 9497, 9511, 9521, 9533, 9539, 9547, 9551, 9587, 9601, 9613, 9619, 9623, 9629, 9631, 9643, 9649, 9661, 9677, 9679, 9689, 9697, 9719, 9721, 9733, 9739, 9743, 9749, 9767, 9769, 9781, 9787, 9791, 9803, 9811, 9817, 9829, 9833, 9839, 9851, 9857, 9859, 9871, 9883, 9887, 9901, 9907, 9923, 9929, 9931, 9941, 9949, 9967, 9973 }; var solverSizes = new int[] { 5, 10, 15 }; foreach(var size in solverSizes) { Console.WriteLine("Size " + size); foreach(var prime1 in primes) { foreach(var prime2 in primes) { if(prime2 < prime1) continue; var solver = new CplexMilpSolver(size); var multiplied = prime1 * prime2; if(multiplied >= solver.MaximumIntegerValue) break; var multipliedVar = solver.FromConstant(multiplied); var a = solver.CreateAnonymous(Domain.PositiveOrZeroInteger); var b = solver.CreateAnonymous(Domain.PositiveOrZeroInteger); solver.Set(ConstraintType.Equal, a.Operation(OperationType.Multiplication, b), solver.FromConstant(multiplied)); solver.Set(ConstraintType.LessOrEqual, a, b); solver.Set(ConstraintType.GreaterOrEqual, a, solver.FromConstant(2)); solver.AddGoal("g", solver.FromConstant(0)); var stopwatch = new Stopwatch(); stopwatch.Start(); try { solver.Solve(); stopwatch.Stop(); var prime1Calculated = solver.GetValue(a); var prime2Calculated = solver.GetValue(b); Console.WriteLine("For " + prime1 + " " + prime2 + " obtained " + prime1Calculated + " " + prime2Calculated + " in " + stopwatch.Elapsed); } catch { Console.WriteLine("For " + prime1 + " " + prime2 + " obtained -1 -1 in 00:00:00.0000000"); } } Console.WriteLine(); } } |
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Posts
- .NET Inside Out Part 14 — Calling virtual method without dynamic dispatch January 11, 2020
- JVM Inside Out Part 2 — Reading object content January 4, 2020
- JVM Inside Out Part 1 — Getting object address December 28, 2019