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How is std::function implemented?
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Regarding the issue of how copies of the std::function behave, a quick test indicates that copies of the internal callable object are done, rather than sharing the state.
// g++4.8
int main() {
int value = 5;
typedef std::function<void()> fun;
fun f1 = [=]() mutable { std::cout &...
WPF Button with Image
...l and add the image as content of the button to get this working. I didn't test it, but maybe this is the way to go if one wants an image and the text.
– Onsokumaru
Dec 6 '19 at 14:05
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Dealing with “Xerces hell” in Java/Maven?
...Do they go with the same version of Xerces or use something else?
Actually test their parsing (e.g. through unit testing) and classloading as well as not to clutter up their classpath.
Not all developers keep track of newly introduced dependencies (e.g. with mvn dependency:tree). This approach wi...
How to filter files when using scp to copy dir recursively?
...xdepth 1 -name "*.log" \! -name "hs_err_pid2801.log" -type f` root@IP:/tmp/test/
IP will be destination server IP address.
-name "*.log" for include files.
\! -name "hs_err_pid2801.log" for exclude files.
. is current working dir.
-type f for file type.
Below command for directory.
scp -r `find...
Eclipse error: indirectly referenced from required .class files?
... the folder structure of the jar..
e.g. if you class file has package com.test.exam and the classes.jar created out of this class file has structure test.exam... error will be thrown. You need to correct the package structure of your classes.jar and then include it in ecplipse build path...
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JavaScript Date Object Comparison
...suits best, likely using getTime is best for clarity (and happens to be fastest in the browsers I tested too).
– RobG
Jan 14 '13 at 5:30
2
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What does = +_ mean in JavaScript
... it will evaluate to NaN.
It is also noted that
unary plus is the fastest and preferred way of converting something into a number
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Difference between -pthread and -lpthread while compiling
... on the GCC package installed on my Ubuntu machine:
$ gcc -pthread -E -dM test.c > dm.pthread.txt
$ gcc -E -dM test.c > dm.nopthread.txt
$ diff dm.pthread.txt dm.nopthread.txt
152d151
< #define _REENTRANT 1
208d206
< #define __USE_REENTRANT 1
Using the -lpthread option only ...
Swift days between two NSDates
... end).day!
}
The naming feels more Swifty, it's one line, and using the latest dateComponents() method.
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How to replace plain URLs with links?
...ine this is a common enough problem that someone has written, debugged and tested a library for it, according to the RFCs. URIs are complex - check out the code for URL parsing in Node.js and the Wikipedia page on URI schemes.
There are a ton of edge cases when it comes to parsing URLs: internation...