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Is there a more elegant way of adding an item to a Dictionary safely?
... Add if the existence of the key indicates a bug (so you want it to throw) and the indexer otherwise. (It's a bit like the difference between casting and using as for reference conversions.)
If you're using C# 3 and you have a distinct set of keys, you can make this even neater:
var currentViews =...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
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The binary + operator performs string concatenation when one or both operands are of type string.
If an operand of string concatenation is null, an empty string is substituted. Otherwise, any non-string argument is converted to its string representation by invoking the virtual ToString method inhe...
Convert object to JSON in Android
Is there a simple method to convert any object to JSON in Android?
6 Answers
6
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Conditional ng-include in angularjs
...suecomment-23539882 ; in current versions (1.2.*) you cannot use ng-switch and ng-include on the same element, so you need something like: <div ng-switch-when="true"><div ng-include="'something'"></div><//div>
– Maarten
Dec 16 '13 at 12:...
Python string.join(list) on object array rather than string array
...duce was the one that was removed, because it usually left people guessing and thus wasn't "pythonic". map on the other hand is not an issue.
– PascalVKooten
Oct 12 '15 at 16:28
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?: operator (the 'Elvis operator') in PHP
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It evaluates to the left operand if the left operand is truthy, and the right operand otherwise.
In pseudocode,
foo = bar ?: baz;
roughly resolves to
foo = bar ? bar : baz;
or
if (bar) {
foo = bar;
} else {
foo = baz;
}
with the differe...
Mercurial stuck “waiting for lock”
...emoving .hg/wlock I had no idea what the issue was
– Andrew Buss
Oct 1 '12 at 1:35
34
In my case ...
Is there a CSS selector for text nodes?
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I'm nevertheless desperately missing ::before and ::after on text nodes.
– shabunc
Apr 8 '13 at 16:31
6
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Android Dialog: Removing title bar
...is when I type something with the keyboard, the status bar keeps appearing and disappearing with each key stroke.
– Jason Rogers
Jun 7 '11 at 11:01
9
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How to read a text-file resource into Java unit test? [duplicate]
...t closing resources is particularly important. "Unit" tests should be fast and self contained, leaving resources open, potentially for the duration of the test run, means at best your tests run slower, and at worst fail in difficult-to-diagnose ways.
– dimo414
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