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Context switches much slower in new linux kernels
...n;done
which will show the microseconds taken for the interesting system calls, sorted by time.
On kernel 2.6.32
$ for i in futex nanosleep rt_sig;do echo $i;grep $i test_latency_strace | sort -rn;done
futex
1.000140 futex(0x601ac4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x601ac0, {FUTEX_OP_SET, 0, FUTEX...
Referencing system.management.automation.dll in Visual Studio
...ng to this specific NuGet package. If it was Microsoft owned, then (in an ideal world) they would be responsible for keeping it updated, releasing new packages, etc.
– Ben Randall
Feb 5 '16 at 19:24
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How to remove files that are listed in the .gitignore but still on the repository?
...he files as changed with a fake commit message !
– Haidar Zeineddine
Jul 26 '19 at 7:54
3
what do...
PHP - Move a file into a different folder on the server
...exists - unlink() file from previous localization. Additionally you can validate the MD5 checksum before unlinking to be sure
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how can you easily check if access is denied for a file in .NET?
Basically, I would like to check if I have rights to open the file before I actually try to open it; I do not want to use a try/catch for this check unless I have to. Is there a file access property I can check before hand?
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Flatten nested dictionaries, compressing keys
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Basically the same way you would flatten a nested list, you just have to do the extra work for iterating the dict by key/value, creating new keys for your new dictionary and creating the dictionary at final step.
import collecti...
PowerShell script not accepting $ (dollar) sign
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Create zip file and ignore directory structure
... automated scripts that run in many different environments, you usually avoid global paths, because you have no idea what the global path will be. But from the cd path/to/parent/dir/ you can calculate number of double dots ../ easily.
– eddyP23
Jan 31 '19 at 11...
How to make junior programmers write tests? [closed]
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It's called regression testing! :)
– pfctdayelise
Oct 13 '09 at 12:33
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Check if full path given
...h) throws exceptions rather than returning false in these scenarios:
The caller does not have the required permissions
The system could not retrieve the absolute path
path contains a colon (":") that is not part of a volume identifier
The specified path, file name, or both exceed the system-define...