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What do two question marks together mean in C#?
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Just because no-one else has said the magic words yet: it's the null coalescing operator. It's defined in section 7.12 of the C# 3.0 language specification.
It's very handy, particularly because of the way it works when it's used multiple times in an expression. An ex...
Who is “us” and who is “them” according to Git?
...te way to put it. I'd much rather have the branches labeled by some other words than "us/ours" and "them/theirs", perhaps by branch-name for instance: "deleted in master, modified in feature".
– torek
Jan 9 '14 at 21:43
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How may I align text to the left and text to the right in the same line?
...n on the first, that happens by default. This handles overlap perfectly by word-wrapping.
HTML
<table style="width: 100%;">
<tr><td>Left aligned stuff</td>
<td class="alignRight">Right aligned stuff</td></tr>
</table>
CSS
.alignRight {
f...
jQuery removeClass wildcard
...pted answer is correct, but idiomatically, I'd use \b which matches on any word boundary rather than the more wordy (^|\s). So, for example, to remove all classes consisting out of the word magic followed by a non-negative integer and only those, I'd match on /\bmagic\d+\b/.
–...
What does 'predicate' mean in the context of computer science? [duplicate]
...ne thing depends on another.
In computer science, we use this form of the word to describe conditional execution.
For instance, in CUDA programming, there are assembly instructions whose execution we can predicate (KATE) on a prior result. That is, you set a predicate (CAT) flag that, if true, ca...
What is the colon operator in Ruby?
...e during a session of ruby.
They are useful when you need to use the same word to represent different things
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Benefits of prototypal inheritance over classical?
...to clone an object - delegation and concatenation. Henceforth I'll use the word "clone" to exclusively refer to inheritance via delegation, and the word "copy" to exclusively refer to inheritance via concatenation.
Enough talk. Let's see some examples. Say I have a circle of radius 5:
var circle =...
JavaScript: replace last occurrence of text in a string
... @Ruth no prob! @TJ yes, indeed that's true: Ruth if you end up with "words" you're looking for that include the special characters used for regular expressions, you'd need to "escape" those, which as TJ says is a little tricky (not impossible though).
– Pointy
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What is the difference between service, directive and module?
...ntially the same thing, but I've found that sometimes a slightly different wording helps a lot)
are responsible for updating the DOM when the state of the model changes
extend HTML vocabulary = teach HTML new tricks. Angular comes with a built in set of directives (e.g., ng-* stuff) which are usef...
How to search for a string in text files?
... something truly is
open('file', 'r').read().find('')
in find write the word you want to find
and 'file' stands for your file name
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