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Dictionaries and default values
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+1 for readability, but if/else is much faster. That might or might not play a role.
– Tim Pietzcker
Jul 6 '13 at 9:20
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How to prepare a Unity project for git? [duplicate]
...ory.
If you already created your empty git repo on-line (eg. github.com) now it's time to upload your code. Open a command prompt and follow the next steps:
cd to/your/unity/project/folder
git init
git add *
git commit -m "First commit"
git remote add origin git@github.com:username/project.gi...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...登录验证logging.php
在bbs的logging.php中如下代码段
} elseif($action == 'login') {
if($discuz_uid) {
$ucsynlogin = '';
showmessage('login_succeed', $indexname);
}
检查用户id变量$discuz_uid是否为空来判断，用户是否登录（包括从别的应用登录。...
Encrypting & Decrypting a String in C# [duplicate]
...ed encryption. Encryption alone provides only privacy (i.e. message is unknown to 3rd parties), whilst authenticated encryption aims to provide both privacy and authenticity (i.e. recipient knows message was sent by the sender).
Without knowing your exact requirements, it's difficult to say whet...
What should I set JAVA_HOME environment variable on macOS X 10.6?
...ing lines to ~/.bash_profile.
export JAVA_HOME=$(/usr/libexec/java_home)
Now run the following command.
source ~/.bash_profile
You can check the exact value of JAVA_HOME by typing the following command.
echo $JAVA_HOME
The value(output) returned will be something like below.
/Library/Java/...
How does one remove an image in Docker?
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Ah, i didn't know about the command for "remove all existing container". Had written own: docker ps -a | sed -r 's/^(\w+).*/\1/g' | sed -r 's/^CONTAINER//' | sed -r 's/^(\w+)/docker rm \1/g' | awk 'system($0)' Thanks !
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Practical usage of setjmp and longjmp in C
...ense only in the top level function.
It would be very tedious and awkward if all the functions in between had to return normally and evaluate return values or a global error variable to determine that further processing doesn't make sense or even would be bad.
That's a situation where setjmp/longj...
Unable to import a module that is definitely installed
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maybe 2? I just don't know why it would install in the wrong place for this one library, where most others are fine.
– roy
Jan 12 '13 at 17:59
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Should I URL-encode POST data?
I'm POSTing data to an external API (using PHP, if it's relevant).
4 Answers
4
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How to use the PI constant in C++
...acro
* definitions for common math constants. These are placed under an #ifdef
* since these commonly-defined names are not part of the C/C++ standards.
*/
However:
on newer platforms (at least on my 64 bit Ubuntu 14.04) I do not need to define the _USE_MATH_DEFINES
On (recent) Linux platfo...