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What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...They're the same!". Unfortunately you can't guarantee that.
Take the following example:
function Array() {
this.is = 'SPARTA';
}
var a = new Array();
var b = [];
alert(a.is); // => 'SPARTA'
alert(b.is); // => undefined
a.push('Woa'); // => TypeError: a.push is not a function
b.pus...
Remove sensitive files and their commits from Git history
... how to fix it. GitHub answered exactly that question as an FAQ:
Note for Windows users: use double quotes (") instead of singles in this command
git filter-branch --index-filter \
'git update-index --remove PATH-TO-YOUR-FILE-WITH-SENSITIVE-DATA' <introduction-revision-sha1>..HEAD
git push ...
Is R's apply family more than syntactic sugar?
...ething like PVM or MPI (see Tierney's clustering page). snow has the following apply functions:
parLapply(cl, x, fun, ...)
parSapply(cl, X, FUN, ..., simplify = TRUE, USE.NAMES = TRUE)
parApply(cl, X, MARGIN, FUN, ...)
parRapply(cl, x, fun, ...)
parCapply(cl, x, fun, ...)
It makes sense that app...
Best way to parse command-line parameters? [closed]
...d, usage message will have been displayed
}
The above generates the following usage text:
scopt 3.x
Usage: scopt [update] [options] [<file>...]
-f <value> | --foo <value>
foo is an integer property
-o <file> | --out <file>
out is a required file ...
Change default global installation directory for node.js modules in Windows?
In my windows installation PATH includes C:\Program Files\nodejs , where executable node.exe is. I'm able to launch node from the shell, as well as npm . I'd like new executables to be installed in C:\Program Files\nodejs as well, but it seems impossible to achieve.
...
Avoiding SQL injection without parameters
...
The argument is a no-win. If you do manage to find a vulnerability, your co-workers will just change the SafeDBString function to account for it and then ask you to prove that it's unsafe all over again.
Given that parametrized queries are an un...
How to enable C++11/C++0x support in Eclipse CDT?
...hose steps and it works for me. I am using Eclipse Indigo 20110615-0604 on Windows with a Cygwin setup.
Make a new C++ project
Default options for everything
Once created, right-click the project and go to "Properties"
C/C++ Build -> Settings -> Tool Settings -> GCC C++ Compiler -> Mi...
Specify an SSH key for git push for a given domain
I have the following use case: I would like to be able to push to git@git.company.com:gitolite-admin using the private key of user gitolite-admin , while I want to push to git@git.company.com:some_repo using 'my own' private key. AFAIK, I can't solve this using ~/.ssh/config , because the user...
How to use Namespaces in Swift?
...lity, however, they do conflict, in the sense that your own code's MyClass wins, and you can't specify "No no, I mean the MyClass in the framework" — saying TheFramework.MyClass doesn't work (the compiler knows what you mean, but it says it can't find such a class in the framework).
My experience...
Mechanisms for tracking DB schema changes [closed]
...o people would try to create the same N.sql file. Of course, the first one wins and the second one is forced to rename to the next highest number and try again. We didn't have the database versioning on a branch, though.
– rix0rrr
Nov 25 '10 at 13:34
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