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Difference between os.getenv and os.environ.get
...s the right one.
– RayLuo
Apr 11 at 0:33
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How exactly does a generator comprehension work?
... # notice it's a generator object
<generator object <genexpr> at 0x7f2ad75f89e0>
>>> len(filtered_gen) # So technically, it has no length
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: object of type 'generator' has no len()
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Cost of storing AMI
...chał Zalewski
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answered Sep 6 '13 at 15:30
Greg KempeGreg Kempe
1,50711 gol...
How is “mvn clean install” different from “mvn install”?
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edited Mar 25 '16 at 0:44
nateyolles
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answer...
How can I convert a hex string to a byte array? [duplicate]
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502
Here's a nice fun LINQ example.
public static byte[] StringToByteArray(string hex) {
retur...
How to go back to lines edited before the last one in Vim?
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edited Sep 10 '12 at 4:25
Jacob Marble
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How can I check if a Perl array contains a particular value?
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190
Simply turn the array into a hash:
my %params = map { $_ => 1 } @badparams;
if(exists($para...
String.replaceAll without RegEx
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190
Just use String.replace(CharSequence,CharSequence) rather than replaceAll.
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Meaning of “[: too many arguments” error from if [] (square brackets)
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VARIABLE=$(/some/command);
# returns "hello world"
if [ $VARIABLE == 0 ]; then
# fails as if you wrote:
# if [ hello world == 0 ]
fi
The same will be true for any function call that puts down a string containing spaces or other special characters.
Easy fix
Wrap the variable output i...
onNewIntent() lifecycle and registered listeners
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+50
onNewIntent() is meant as entry point for singleTop activities which already run somewhere else in the stack and therefore can't call ...