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How to lock orientation during runtime
...me? For example I'd like to allow the user to lock the screen to landscape if the user currently in landscape and toggle the menu option.
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Pragma in define macro
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If you're using c99 or c++0x there is the pragma operator, used as
_Pragma("argument")
which is equivalent to
#pragma argument
except it can be used in macros (see section 6.10.9 of the c99 standard, or 16.9 of the c++0...
Scala how can I count the number of occurrences in a list
...-> 3, apple -> 3)
The question asks how to find the count of a specific item. With this approach, the solution would require mapping the desired element to its count value as follows:
s.groupBy(identity).mapValues(_.size)("apple")
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Get $_POST from multiple checkboxes
...lue="value 5">
<input type="submit" />
</form>
<?php
if(!empty($_POST['check_list'])) {
foreach($_POST['check_list'] as $check) {
echo $check; //echoes the value set in the HTML form for each checked checkbox.
//so, if I were to check 1,...
How do I animate constraint changes?
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You know what... your answer works. The WWDC works.... my vision fails. For some reason it took me a week to realize I was calling setNeedsLayout instead of layoutIfNeeded. I'm slightly horrified by how many hours I spent not noti...
How to get current moment in ISO 8601 format with date, hour, and minute?
... Quoted "Z" to indicate UTC, no timezone offset
df.setTimeZone(tz);
String nowAsISO = df.format(new Date());
Using a new Date() as shown above will format the current time.
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Can I serve multiple clients using just Flask app.run() as standalone?
...tly pass threaded=True to enable this behaviour.
For example, you can do
if __name__ == '__main__':
app.run(threaded=True)
to handle multiple clients using threads in a way compatible with old Flask versions, or
if __name__ == '__main__':
app.run(threaded=False, processes=3)
to tell W...
Should you always favor xrange() over range()?
...hon 3, range() does what xrange() used to do and xrange() does not exist. If you want to write code that will run on both Python 2 and Python 3, you can't use xrange().
range() can actually be faster in some cases - eg. if iterating over the same sequence multiple times. xrange() has to reconstruc...
Access nested dictionary items via a list of keys?
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@user1353510: different usecases call for different behaviour. The code here doesn't create intermediaries, no.
– Martijn Pieters♦
Feb 11 '15 at 12:04
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How to use the TextWatcher class in Android?
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Actually if this is the requirement then better not to use the text watcher.it's going to infinite loop
– Dinesh Prajapati
Dec 17 '11 at 9:50
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