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Regex empty string or email
...e are cases where the beginning of a string is hidden but is still matched by ^, where effectively you're looking for an email or nothing in the middle of a string. For this (email_regex)? is better-suited.
– jclancy
Jun 18 '13 at 23:26
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What is so special about Generic.xaml?
...he same assembly as the control. The key for the default style is provided by the Control.DefaultStyleKey dependency property, the default value of which is overridden in each sub-class of Control.
The name of the resource dictionary depends on the current Windows theme e.g. on Vista using the Aero...
How to create file execute mode permissions in Git on Windows?
...Git in Windows, and want to push the executable shell script into git repo by one commit.
5 Answers
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How to decode HTML entities using jQuery?
...h untrusted user input.
Security issues in similar approaches
As noted by Mike Samuel, doing this with a <div> instead of a <textarea> with untrusted user input is an XSS vulnerability, even if the <div> is never added to the DOM:
function decodeEntities(encodedString) {
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What is an SSTable?
...s Table (borrowed from google) is a file of key/value string pairs, sorted by keys
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What does Provider in JAX-RS mean?
...s is a broad generalization.
There are three classes of providers defined by the current JAX-RS specification. The commonality between them is that all providers must be identified by the @Provider annotation and follow certain rules for constructor declaration. Apart from that, different provider ...
Git: How to edit/reword a merge commit's message?
...k part of that is an even simpler idiocy: we never even fire up the editor by default for a "git merge", but we do for a "git commit".
That was a design mistake, and it means that if you want to actually add a note to a merge, you have to do extra work. So people don't.
Note that, before Git 2...
Do you (really) write exception safe code? [closed]
Exception handling (EH) seems to be the current standard, and by searching the web, I can not find any novel ideas or methods that try to improve or replace it (well, some variations exist, but nothing novel).
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How to keep onItemSelected from firing off on a newly instantiated Spinner?
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ugh, yeah. Thats what I meant by an inelegant solution. Seems like there must be a better way. Thank you though.
– FauxReal
Apr 1 '10 at 17:54
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How to determine if a list of polygon points are in clockwise order?
... edges are themselves vectors, whose x and y coordinates can be determined by subtracting the coordinates of their start and end points:
edgeE = point0 - point4 = (1, 0) - (5, 0) = (-4, 0) and
edgeA = point1 - point0 = (6, 4) - (1, 0) = (5, 4) and
And the cross product of these two adjoini...