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Generate a UUID on iOS from Swift
In my iOS Swift app I want to generate random UUID ( GUID ) strings for use as a table key, and this snippet appears to work:
...
jQuery: find element by text
...ntains is case sensitive, it worked for me because I passed the exact text string to be find.
– Francisco Quintero
Jul 6 '15 at 15:26
1
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What is the purpose of the reader monad?
...lculus has a syntax that looks like
data Term = Apply Term Term | Lambda String Term | Var Term deriving (Show)
and we want to write an evaluator for this language. To do so, we will need to keep track of an environment, which is a list of bindings associated with terms (actually it will be clos...
Passing variables in remote ssh command
...
your shell will interpolate the $BUILD_NUMBER before sending the command string to the remote host.
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OAuth with Verification in .NET
... exposed by DotNetOpenAuth?), poorly designed (look at the methods with 10 string parameters in the OAuthBase.cs module from that google link you provided - there's no state management at all), or otherwise unsatisfactory.
It doesn't need to be this complicated.
I'm not an expert on OAuth, but ...
Resize a large bitmap file to scaled output file on Android
...nswer translated to code (works perfect for me):
private Bitmap getBitmap(String path) {
Uri uri = getImageUri(path);
InputStream in = null;
try {
final int IMAGE_MAX_SIZE = 1200000; // 1.2MP
in = mContentResolver.openInputStream(uri);
// Decode image size
BitmapFactory.Options op...
Favicons - Best practices
...e-320x460.png
Total Overhead
If you take out the comments that's 3KB of extra HTML, if you don't support splash screens that's 1.5KB. If you are using GZIP compression on your HTML content, which everyone should be doing these days, that leaves you with about 634 Bytes of overhead per request to ...
what is the difference between ?:, ?! and ?= in regex?
...om the lookahead must be discarded, so the engine steps back from i in the string to u. The lookahead was successful, so the engine continues with i. But i cannot match u. So this match attempt fails.
Let's apply q(?=u)u to quit. The lookahead is positive and is followed by another token. Again, q...
How can bcrypt have built-in salts?
...he password using the salt and cost factor. Use it to encrypt a well-known string. Store the cost, salt, and cipher text. Because these three elements have a known length, it's easy to concatenate them and store them in a single field, yet be able to split them apart later.
When someone tries to au...
Which regular expression operator means 'Don't' match this character?
...mer: don't match a, b, c or 0: [^a-c0]
The latter: match any three-letter string except foo and bar:
(?!foo|bar).{3}
or
.{3}(?<!foo|bar)
Also, a correction for you: *, ? and + do not actually match anything. They are repetition operators, and always follow a matching operator. Thus, a+ means...