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is it possible to select EXISTS directly as a bit?
I was wondering if it's possible to do something like this (which doesn't work):
9 Answers
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Make copy of an array
...,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
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Swift - encode URL
If I encode a string like this:
17 Answers
17
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How to convert list to string [duplicate]
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By using ''.join
list1 = ['1', '2', '3']
str1 = ''.join(list1)
Or if the list is of integers, convert the elements before joining them.
list1 = [1, 2, 3]
str1 = ''.join(str(e) for e in list1)
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?
...t propagates all errors at once. With the multiple awaits, you lose errors if one of the earlier awaits throws.
Another important difference is that WhenAll will wait for all tasks to complete even in the presence of failures (faulted or canceled tasks). Awaiting manually in sequence would cause un...
What's the meaning of * (asterisk) in XAML ColumnDefinition?
...ny available remaining space
The * is prefixed by a number (default is 1 if no number is specified). The available space is divided among the starred columns in proportion to the prefix number.
If you have this definition
<Grid.ColumnDefinitions>
<ColumnDefinition Width="0.07*"/>
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Highlight label if checkbox is checked
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If you have
<div>
<input type="checkbox" class="check-with-label" id="idinput" />
<label class="label-for-check" for="idinput">My Label</label>
</div>
you can do
.check-with-label:checked...
Determine if $.ajax error is a timeout
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If your error event handler takes the three arguments (xmlhttprequest, textstatus, and message) when a timeout happens, the status arg will be 'timeout'.
Per the jQuery documentation:
Possible values for the second
ar...
How to create directories recursively in ruby?
I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
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Check if a method exists
Is there any way I can test if a method exists in Objective-C?
5 Answers
5
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