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Why does ++[[]][+[]]+[+[]] return the string “10”?
...array ([]). Due to references it's wrong to say [[]][0] === [], but let's call the inner array A to avoid the wrong notation.
++ before its operand means “increment by one and return the incremented result”. So ++[[]][0] is equivalent to Number(A) + 1 (or +A + 1).
Again, we can simplify the me...
Keeping ASP.NET Session Open / Alive
...n alive as long as the user has the browser window open? Is it timed AJAX calls? I want to prevent the following: sometimes users keep their window open for a long time, then enter stuff, and on submit nothing works anymore because the server side session expired. I don't want to increase the timeou...
Which is better, return value or out parameter?
...ery rare exception to this rule.)
Aside from anything else, it stops the caller from having to declare the variable separately:
int foo;
GetValue(out foo);
vs
int foo = GetValue();
Out values also prevent method chaining like this:
Console.WriteLine(GetValue().ToString("g"));
(Indeed, that...
Capturing standard out and error with Start-Process
...and -commandTitle "Disable Monitor Timeout" -commandPath "C:\Windows\System32\powercfg.exe" -commandArguments " -x monitor-timeout-ac 0"
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How to determine if a list of polygon points are in clockwise order?
... Jan 4 '16 at 18:32
Roberto Bonvallet
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answered Jul 22 '09 at 15:02
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【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an ...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an unexpected keyword argument '_job'进入项目spiders目录, 修改 spider py 文件（你自己的spider的主文件）：def __init__(self):改为：def __init__(self, *args, **kwargs):最后不要忘了重新部署一...
How to ignore SVN folders in WinMerge?
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answered Apr 16 '10 at 9:32
RobertoRoberto
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Detecting Windows or Linux? [duplicate]
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PucePuce
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How to convert 'binary string' to normal string in Python3?
...but there are severals standard encodings in Python 3, like latin_1 or utf_32.
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CListCtrl 扩展风格设置方法：SetExtendedStyle和ModifyStyleEx 区别 - C/C...
...件的扩展风格储存在GWL_EXSTYLE属性中，因为这个属性值为32位长的DWORD型，窗口的常规扩展属性即以WS_EX_作为前缀的属性，已经把它占完了，所以对listctrl 的扩展风格，微软只能把它放在其他地方了。
CListCtrl 扩展风格 SetExtendedSty...