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Accessing console and devtools of extension's background.js
... answered Jan 10 at 2:33
Token YiToken Yi
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How to concatenate text from multiple rows into a single text string in SQL server?
...ppears to be part of the deal. You can workaround by replacing on an added token character. For example, this does a perfect comma-delimited list for any length: SELECT STUFF(REPLACE((SELECT '#!'+city AS 'data()' FROM #cityzip FOR XML PATH ('')),' #!',', '),1,2,'')
– NReilingh
...
Produce a random number in a range using C#
... Darrelk answer.
It is implemented using C# extension methods.
It does not allocate memory (new Random()) every time this method is called.
public static class RandomExtensionMethods
{
public static double NextDoubleRange(this System.Random random, double minNumber, double maxNumber)
{
...
Extending the User model with custom fields in Django
...e sites it makes more sense to use an email address as your identification token instead of a username.
[Ed: Two warnings and a notification follow, mentioning that this is pretty drastic.]
I would definitely stay away from changing the actual User class in your Django source tree and/or copying an...
How to tell if a tag failed to load
...
@Rudey Uncaught SyntaxError: Unexpected token '<' (in latest Chrome)
– daleyjem
Feb 29 at 5:25
...
Why should I avoid std::enable_if in function signatures
...enable_if contains a nested template or type definition (hint: look for :: tokens), then the resolution of these nested tempatles or types are usually a non-deduced context. Any substitution failure on such a non-deduced context is an error.
the various conditions in multiple enable_if overloads can...
Explanation of JSONB introduced by PostgreSQL
...ut text, it will
preserve semantically-insignificant white space between tokens, as
well as the order of keys within JSON objects. Also, if a JSON object
within the value contains the same key more than once, all the
key/value pairs are kept. (The processing functions consider the last
val...
How to hide elements without having them take space on the page?
...ility: hidden
visibility:hidden means the tag is not visible, but space is allocated for it on the page.
display:none means completely hides elements with its space. (although you can still interact with it through the DOM)
...
Bordered UITextView
...roundColor = [UIColor clearColor];
UIImageView *borderView = [[UIImageView alloc] initWithFrame: CGRectMake(0, 0, textView.frame.size.width, textView.frame.size.height)];
borderView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
UIImage *textFieldImage = [[UII...
ReactJS: Modeling Bi-Directional Infinite Scrolling
...ay of all children. Since we do not render them, it's really cheap to just allocate them and discard them. If 10k allocations is too big, you can instead pass a function that takes a range and return the elements.
<List>
{thousandelements.map(function() { return <Element /> })}
</L...