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Is local static variable initialization thread-safe in C++11? [duplicate]
...-fno-threadsafe-statics also worth mentioning. In gcc:
Do not emit the extra code to use the routines specified in the C++ ABI for thread-safe initialization of local statics. You can use this option to reduce code size slightly in code that doesn't need to be thread-safe.
Also, have a look a...
Remove duplicate entries using a Bash script [duplicate]
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I like the Perl solution because it allows me to add extra conditions, e.g. only enforce uniqueness on lines matching a certain pattern.
– Amos Shapira
Oct 11 '18 at 4:10
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Catching an exception while using a Python 'with' statement
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@ncoghlan But you can add extra try...except blocks inside with to be closer to the source of an exception that doesn't have anything to do with open().
– rbaleksandar
May 19 '17 at 14:44
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Catch multiple exceptions at once?
...ompleteness, since .NET 4.0 the code can rewritten as:
Guid.TryParse(queryString["web"], out WebId);
TryParse never throws exceptions and returns false if format is wrong, setting WebId to Guid.Empty.
Since C# 7 you can avoid introducing a variable on a separate line:
Guid.TryParse(queryStrin...
Heap vs Binary Search Tree (BST)
...on. But if you want to do that, it is likely that you will want to keep an extra index up-to-date on heap operations How to implement O(logn) decrease-key operation for min-heap based Priority Queue? e.g. for Dijkstra. Possible at no extra time cost.
GCC C++ standard library insert benchmark on rea...
Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...7
p1 = ffbff31c
Bus error
In both cases, the program is compiled with no extra options, just gcc packed.c -o packed.
(A program that uses a single struct rather than array doesn't reliably exhibit the problem, since the compiler can allocate the struct on an odd address so the x member is properl...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
...y well. The nice thing is that when eval is passed something that is not a string it doesn't do anything with it so it's rather harmless - kind of like if(false){ debugger; }
– Benjamin Gruenbaum
Jul 28 '14 at 15:27
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What modern C++ libraries should be in my toolbox? [closed]
...pose
Boost
Loki
MiLi
POCO
STL (of course)
STXXL (STL re-implementation for extra large data sets)
Qt
ASL
JUCE
Audio
FMOD
Synthesis ToolKit
Database
SOCI
OTL
LMDB++
Design
IoC Frameworks
Hypodermic
PocoCapsule
Wallaroo
Documents
LibreOffice API
PoDoFo
Graphics
Allegro
OGRE
SFML
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Multiple glibc libraries on a single host
...ed GLIBC_2.3, so you can easily find which lib provides that version using strings:
$ strings /lib/i686/libc.so.6 | grep GLIBC_2.3
$ strings /path/to/newglib/libc.so.6 | grep GLIBC_2.3
In theory, the first grep would come empty because the system libc doesn't have the version he wants, and the 2nd ...
App.Config Transformation for projects which are not Web Projects in Visual Studio?
... the things I need to make environment-specific are things like connection strings, appsettings and often smpt settings. The config system allows to specify these things in separate files. So you can use this in your app.config/web.config:
<appSettings configSource="appsettings.config" />
&...