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What is the Python equivalent for a case/switch statement? [duplicate]
... @IanMobbs It's almost NEVER "proper" to put code in a constant string in quotes then eval it. 1) code doesn't get checked by your editor for validity. 2) it doesn't get optimised to bytecode at compilation. 3) you can't see syntax highlighting. 4) fiddly if you have multiple quotes - in...
Regex: ?: notation (Question mark and colon notation) [duplicate]
...e to this thread - just to build on ryanp's answer.
Assuming you have the string aaabbbccc
Regular Expression
(a)+(b)+(c)+
This would give you the following 3 groups that matched:
['a', 'b', 'c']
Regular Expression with non-capturing parenthesis
Use the ?: in the first group
(?:a)+(b)+(c)+...
How to change the icon of an Android app in Eclipse?
...android:icon="@drawable/ic_launcher" <--------
android:label="@string/app_name"
android:theme="@style/AppTheme" >
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Pass column name in data.table using variable [duplicate]
...quotes on the column names when you do it this way, because the quote()-ed string will be evaluated inside the DT[]
temp <- quote(x)
DT[ , eval(temp)]
# [1] "b" "b" "b" "a" "a"
With a single column name, the result is a vector. If you want a data.table result, or several columns, use list form...
Append file contents to the bottom of existing file in Bash [duplicate]
...
For single string, use echo like this echo "export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_112" >> ~/.bashrc
– shellbye
Jan 3 '17 at 8:36
...
How can we access context of an application in Robolectric?
...nner::class).
As an aside, their current guide has an example of getting string resources using:
final Context context = RuntimeEnvironment.ap
How to add hours to current time in python
...ours=9)
#datetime.datetime(2012, 12, 3, 23, 24, 31, 774118)
And then use string formatting to get the relevant pieces:
>>> '{:%H:%M:%S}'.format(nine_hours_from_now)
'23:24:31'
If you're only formatting the datetime then you can use:
>>> format(nine_hours_from_now, '%H:%M:%S')...
What Does This Mean in PHP -> or => [duplicate]
...type into a corresponding index of an array. The index can be associative (string based) or numeric.
$myArray = array(
0 => 'Big',
1 => 'Small',
2 => 'Up',
3 => 'Down'
);
The object operator, ->, is used in object scope to access methods and properties of an object....
Binding ng-model inside ng-repeat loop in AngularJS
...ed have to be objects then? In other words they can't be primitives, like strings, e.g. $scope.lines = ['a', 'b', 'c'] ?
– berto
Oct 16 '14 at 18:40
2
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Python if-else short-hand [duplicate]
...g that evaluates to false instead of 10 would make it fail, for example, a String.
– Ihor Husar
Nov 9 '15 at 16:52
[i&...