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Linq code to select one item
...methods directly like:
var item = Items.First(i => i.Id == 123);
And if you don't want to throw an error if the list is empty, use FirstOrDefault which returns the default value for the element type (null for reference types):
var item = Items.FirstOrDefault(i => i.Id == 123);
if (item !=...
How can you encode a string to Base64 in JavaScript?
...) accepts a “string” where each character represents an 8-bit byte – if you pass a string containing characters that can’t be represented in 8 bits, it will probably break. This isn’t a problem if you’re actually treating the string as a byte array, but if you’re trying to do something...
How to find indices of all occurrences of one string in another in JavaScript?
...hStr, str, caseSensitive) {
var searchStrLen = searchStr.length;
if (searchStrLen == 0) {
return [];
}
var startIndex = 0, index, indices = [];
if (!caseSensitive) {
str = str.toLowerCase();
searchStr = searchStr.toLowerCase();
}
while ((...
How to compare arrays in C#? [duplicate]
... Great answer, and I know it's a little late, but that could be simplified to this: bool isEqual = target1.SequenceEqual(target2);
– Connie Hilarides
Mar 16 '14 at 7:57
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Python: split a list based on a condition?
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good = [x for x in mylist if x in goodvals]
bad = [x for x in mylist if x not in goodvals]
is there a more elegant way to do this?
That code is perfectly readable, and extremely clear!
# files looks like: [ ('file1.jpg', 33L, '.jpg'), ('file...
PHP: If internet explorer 6, 7, 8 , or 9
I want to do a conditional in PHP for the different versions of Internet Explorer along the lines of:
17 Answers
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Test whether a glob has any matches in bash
If I want to check for the existence of a single file, I can test for it using test -e filename or [ -e filename ] .
19 ...
Is a memory leak created if a MemoryStream in .NET is not closed?
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If something is Disposable, you should always Dispose it. You should be using a using statement in your bar() method to make sure ms2 gets Disposed.
It will eventually get cleaned up by the garbage collector, but it is alway...
How to get the ActionBar height?
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While @birdy's answer is an option if you want to explicitly control the ActionBar size, there is a way to pull it up without locking the size that I found in support documentation. It's a little awkward but it's worked for me. You'll need a context, this ex...
VBA - how to conditionally skip a for loop iteration
...is test for a certain condition in the loop and skip to the next iteration if true:
6 Answers
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