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Remove not alphanumeric characters from string
...various escaped chars, which are not alphanumeric, it will remove them.
A backslash in the string needs escaping if it's to be taken literally:
"\\test\\red\\bob\\fred\\new".replace(/\W/g, '')
"testredbobfrednew" // output
Handling malformed strings
If you're not able to escape the input string...
Swift: Pass array by reference?
...nt to pass my Swift Array account.chats to chatsViewController.chats by reference (so that when I add a chat to account.chats , chatsViewController.chats still points to account.chats ). I.e., I don't want Swift to separate the two arrays when the length of account.chats changes.
...
What does jQuery.fn mean?
... constructor function:
function Test() {
this.a = 'a';
}
Test.prototype.b = 'b';
var test = new Test();
test.a; // "a", own property
test.b; // "b", inherited property
A simple structure that resembles the architecture of jQuery:
(function() {
var foo = function(arg) { // core constructor
...
Edit the root commit in Git?
... checkout <sha1-of-root>
# amend the commit
git commit --amend
# rebase all the other commits in master onto the amended root
git rebase --onto HEAD HEAD master
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Why `null >= 0 && null
I had to write a routine that increments the value of a variable by 1 if its type is number and assigns 0 to the variable if not, where the variable is initially null or undefined .
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How SID is different from Service name in Oracle tnsnames.ora
...
Quote by @DAC
In short: SID = the unique name of
your DB, ServiceName = the alias used
when connecting
Not strictly true. SID = unique name of the INSTANCE (eg the oracle process running on the machine). Oracle considers ...
Why would one use nested classes in C++?
...s? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes
4 Answers
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How to highlight cell if value duplicate in same column for google spreadsheet?
...n (e.g., A1:A100).
Click Done
Anything written in the A1:A100 cells will be checked, and if there is a duplicate (occurs more than once) then it'll be coloured.
For locales using comma (,) as a decimal separator, the argument separator is most likely a semi-colon (;). That is, try: =countif(A:A;A...
How to remove selected commit log entries from a Git repository while keeping their changes?
...
git-rebase(1) does exactly that.
$ git rebase -i HEAD~5
git awsome-ness [git rebase --interactive] contains an example.
Don't use git-rebase on public (remote) commits.
Make sure your working directory is clean (commit or sta...
How to assert two list contain the same elements in Python? [duplicate]
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As of Python 3.2 unittest.TestCase.assertItemsEqual(doc) has been replaced by unittest.TestCase.assertCountEqual(doc) which does exactly what you are looking for, as you can read from the python standard library documentation. The method is somewhat misleadingly named but it does exact...