大约有 44,000 项符合查询结果（耗时：0.0477秒） [XML]
What is the scope of variables in JavaScript?
What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally?
...
How do I uniquely identify computers visiting my web site?
...TTPS session key.
getISP(requestIP)|getHTTPSClientKey()
FingerPrintID: JavaScript based fingerprinting based on a modified fingerprint.js. FingerPrint.get()
SessionID: Random key generated when user 1st visits site. BrowserID|ComputerID|randombytes(256)
GoogleID: Generated from __utma cookie. getCoo...
WiX tricks and tips
...cope="perMachine" Platform="$(var.Platform)"
Compressed="yes" Description="$(var.ProductName)" />
and
<Directory Id="TARGETDIR" Name="SourceDir">
<Directory Id="$(var.PlatformProgramFilesFolder)">
<Directory Id="INSTALLLOCATION" Name="$(var.InstallName)">
Th...
Most simple but complete CMake example
...it. If you really want to automate it, a better approach may be to write a script that you can run to regenerate the list of source files (or use a cmake aware IDE that does this for you; I am not familiar with any).
– sgvd
Jan 16 '14 at 16:37
...
Asking the user for input until they give a valid response
...ne most of the time, but if the user enters invalid data enough times, the script will terminate with a RuntimeError: maximum recursion depth exceeded. You may think "no fool would make 1000 mistakes in a row", but you're underestimating the ingenuity of fools!
...
Multiple github accounts on the same computer?
...─ id_rsa
└── id_rsa.pub
First, name that key pair – adding a descriptive name will help you remember which key is used for which user/remote
# change to your ~/.ssh directory
$ cd ~/.ssh
# rename the private key
$ mv id_rsa github-mainuser
# rename the public key
$ mv id_rsa.pub githu...
xkcd style graphs in MATLAB
...ine(xData, yData, varargin{:}, 'LineWidth', 3);
end
And here's a sample script that uses these to recreate the above comic. I recreated the lines by using ginput to mark points in the plot with the mouse, capturing them, then plotting them how I wanted:
xS = [0.0359 0.0709 0.1004 0.1225 0.1501 0...
How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
...'s (especially UNIX) by design allow a child process to inherit all File-descriptors (FD) from parents. Thus all the sockets (in UNIX like OS are also part of FD) that a process A listening to, can be listened by many more processes A1, A2, .. as long as they are related by parent-child relation to ...
Python name mangling
...on for the lack of "private" is cultural, but you'll also notice that most scripting/interpreted languages have no private. A strictly enforceable private is not practical at anything except for compile time.
share
...
Cookie blocked/not saved in IFRAME in Internet Explorer
..., when cookies are blocked, session identifier is not sent, and the target script throws a 'session not found' error.
(I've tried setting the session identifier into the form and loading it from POST variables. This would have worked, but for political reasons I couldn't do that.)
It is possible t...