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How do I check that a Java String is not all whitespaces?
...uch as:
if (string.matches(".*\\w.*")) ...
...which checks for at least one (ASCII) alphanumeric character.
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How can I delete all of my Git stashes at once?
...from the stash list. When no <stash> is given, it removes the latest one. (...) ") does not answer the question (" How can I delete all of my Git stashes at once? ")?
– Tadeck
Sep 2 '15 at 15:48
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How to create GUID / UUID?
...IDs must be of the form "xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx", where x is one of [0-9, a-f] M is one of [1-5], and N is [8, 9, a, or b]
Use of a low-quality source of randomness (such as Math.random)
Thus, developers writing code for production environments are encouraged to use a rigorous, well-...
Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
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I had issues with images and getImageData function.
Finally, I discovered one can launch chrome with the --allow-file-access-from-file command switch, that get rid of this protection security.
The only thing is that it makes your browser less safe, and you can't have one chrome instance with the fl...
Change a branch name in a Git repo
... it with git push origin :branchname. That would allow you to push the new one and delete the old one, essentially renaming it on the remote.
– Jonathan
Oct 7 '10 at 14:52
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
I'm looking for some guidelines that one can use to help determine which type of scope to use when writing a new directive. Ideally, I'd like something similar to a flowchart that walks me through a bunch of questions and out pops the correct answer – no new new scope, new child scope, or new isol...
byte + byte = int… why?
...oing the conversion back from the result to a byte automatically could be done, but would result in performance penalties in the case where you don't actually want that behaviour.
I think this is mentioned in one of the annotated C# standards. Looking...
EDIT: Annoyingly, I've now looked through t...
Is it possible to preview stash contents in git?
... stash show -p
If the stash you are interested in is not the most recent one, then add the name of the stash to the end of the command:
git stash show -p stash@{2}
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ExecJS and could not find a JavaScript runtime
... gem 'execjs' gem 'therubyracer' it's a better solution than this one.
– dwaynemac
Aug 2 '11 at 14:42
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How do I save a stream to a file in C#?
...is seems to be something people want to see... if you do just want to copy one stream to another (e.g. to a file) use something like this:
/// <summary>
/// Copies the contents of input to output. Doesn't close either stream.
/// </summary>
public static void CopyStream(Stream input, St...