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What is the easiest way to remove all packages installed by pip?
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edited Mar 13 '14 at 14:08
answered Jun 28 '12 at 18:32
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How to check programmatically if an application is installed or not in Android?
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323
Try with this:
public class MainActivity extends AppCompatActivity {
@Override
protec...
Coalesce function for PHP?
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There is a new operator in php 5.3 which does this: ?:
// A
echo 'A' ?: 'B';
// B
echo '' ?: 'B';
// B
echo false ?: 'B';
// B
echo null ?: 'B';
Source: http://www.php.net/ChangeLog-5.php#5.3.0
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How to change the font on the TextView?
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343
First, the default is not Arial. The default is Droid Sans.
Second, to change to a different ...
What's the best way to check if a file exists in C?
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edited Feb 6 '15 at 13:07
gsamaras
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an...
is there a post render callback for Angular JS directive?
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answered Mar 20 '14 at 17:43
parliamentparliament
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Responsively change div size keeping aspect ratio [duplicate]
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537
You can do this using pure CSS; no JavaScript needed. This utilizes the (somewhat counterintuit...
Remove ALL white spaces from text
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edited Dec 3 '18 at 22:20
Seafish
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How to read lines of a file in Ruby
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the Tin Man
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answered May 16 '11 at 3:50
Olivier L.Olivie...
Find a class somewhere inside dozens of JAR files?
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