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Set initial focus in an Android application
...omeone Somewhere, I tried all of the above to no avail. The fix I found is from http://www.helloandroid.com/tutorials/remove-autofocus-edittext-android . Basically, you need to create an invisible layout just above the problematic Button:
<LinearLayout android:focusable="true"
andr...
Advanced JavaScript: Why is this function wrapped in parentheses? [duplicate]
... itself:
delete x;
return x;
The delete operator will remove properties from objects. It doesn't delete variables. So;
var foo = {'bar':4, 'baz':5};
delete foo.bar;
console.log(foo);
Results in this being logged:
{'baz':5}
Whereas,
var foo = 4;
delete foo;
console.log(foo);
will log the ...
How to remove leading zeros using C#
...
This Regex let you avoid wrong result with digits which consits only from zeroes "0000" and work on digits of any length:
using System.Text.RegularExpressions;
/*
00123 => 123
00000 => 0
00000a => 0a
00001a => 1a
00001a => 1a
0000132423423424565443546546356546454654633333a =&g...
ld cannot find an existing library
...
Installing libgl1-mesa-dev from the Ubuntu repo resolved this problem for me.
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How in node to split string by newline ('\n')?
...lit(os.EOL);
This is usually more useful for constructing output strings from Node though, for platform portability.
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See changes to a specific file using git
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How to exit from diff view ?
– Garry
Oct 20 '16 at 22:07
2
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Rails 3 migrations: Adding reference column?
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See section 2.1 from edgeguides.rubyonrails.org/active_record_migrations.html for example.
– B Seven
Nov 19 '14 at 22:36
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List of all special characters that need to be escaped in a regex
...
To escape you could just use this from Java 1.5:
Pattern.quote("$test");
You will match exacty the word $test
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How to check if array is empty or does not exist? [duplicate]
... very idiomatic JavaScript.
The foolproof approach
Taking some inspiration from the comments, below is what I currently consider to be the foolproof way to check whether an array is empty or does not exist. It also takes into account that the variable might not refer to an array, but to some other t...
How to sum up an array of integers in C#
...ach just substitutes one line of code for another and isn't shorter. Apart from that a foreach is perfectly fine and is more readable.
– Ahmad Mageed
Mar 16 '10 at 11:34
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