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How to frame two for loops in list comprehension python
... 'The', 'dog', 'barks', '.']
To remove the repeated words, you can use a set {} instead of a list []
>>> all_unique_words = list({word for sentence in list_of_sentences for word in sentence}]
>>> all_unique_words
['.', 'dog', 'the', 'chase', 'barks', 'mouse', 'The', 'cat']
or...
What is “android:allowBackup”?
...kup
AllowBackup
-----------
Summary: Ensure that allowBackup is explicitly set in the application's
manifest
Priority: 3 / 10
Severity: Warning
Category: Security
The allowBackup attribute determines if an application's data can be backed up and restored, as documented here.
By default, this...
Disabled input text color
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@Ryan is right about – opacity must be set to 1 for Mobile Safari.
– David Jones
Apr 14 '13 at 15:27
7
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How to convert string to boolean php
...n for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that value.
$test_mode_mail = $string === 'true'? true: false;
EDIT: the above code is intended for clarity of ...
PHP calculate age
... see PHP Warning: date(): It is not safe to rely on the system's timezone settings, even when I add date_default_timezone_set('Europe/Brussels');
– stef
Sep 23 '10 at 9:01
1
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In Android EditText, how to force writing uppercase?
...
Android actually has a built-in InputFilter just for this!
edittext.setFilters(new InputFilter[] {new InputFilter.AllCaps()});
Be careful, setFilters will reset all other attributes which were set via XML (i.e. maxLines, inputType,imeOptinos...). To prevent this, add you Filter(s) to the al...
Haskell testing workflow
I just started a new Haskell project and wanted to set up a good testing workflow from the beginning. It seems like Haskell has a lot of excellent and unique testing tools and many different ways to integrate them.
...
How to hide reference counts in VS2013?
...ns).
Go to Tools / Options / Environment / Fonts and Colours.
In the "Show Settings For" drop-down, select "CodeLens"
Choose the smallest font you can find e.g. Calibri 6.
Change the foreground colour to your editor foreground colour (say "White")
Click OK.
...
HashSet versus Dictionary w.r.t searching time to find if an item exists
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HashSet vs List vs Dictionary performance test, taken from here.
Add 1000000 objects (without checking duplicates)
Contains check for half the objects of a collection of 10000
Remove half the objects of a collection of 100...
How do you close/hide the Android soft keyboard using Java?
...ing itself. The windowSoftInputMode attribute in AndroidManifest.xml, when set to stateAlwaysHidden, instructs the keyboard to ignore this automatically-assigned initial focus.
<activity
android:name=".MyActivity"
android:windowSoftInputMode="stateAlwaysHidden"/>
Almost unbelievably, ...