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select and update database record with a single queryset
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Just a fair warning... if you use the update method like this then any signals attached to that model or other "code stuff" won't run against the objects. Just a pointer from someone who got burned :)
– DMac the Destroyer
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trying to animate a constraint in swift
...t and then animate the update.
self.nameInputConstraint.constant = 8
Swift 2
UIView.animateWithDuration(0.5) {
self.view.layoutIfNeeded()
}
Swift 3, 4, 5
UIView.animate(withDuration: 0.5) {
self.view.layoutIfNeeded()
}
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How to check whether a string is Base64 encoded or not
I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error.
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Setting JDK in Eclipse
...te to Computer > Windows C: > Program Files > Java, then click OK
Now you should see all installed JREs, select the one you want
Click OK/Finish a million times
Easy.... not.
share
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impr...
How to urlencode data for curl command?
...cho the result (EASIER)... or both... :p
}
With the matching set, we can now perform some simple tests:
$ diff rawurlencode.inc.sh \
<( rawurldecode "$( rawurlencode "$( cat rawurlencode.inc.sh )" )" ) \
&& echo Matched
Output: Matched
And if you really really feel t...
IntelliJ not recognizing a particular file correctly, instead its stuck as a text file
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/**
* Created by Alex Leporoni on ${DATE}.
*/
This is solved my issue, now I can create classes again :)
I hope that this article can help others that have the same problems to creat classes on IntelliJIdea... hugs to all.
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How do I check if a string is unicode or ascii?
...You can tell which using code something like this:
def whatisthis(s):
if isinstance(s, str):
print "ordinary string"
elif isinstance(s, unicode):
print "unicode string"
else:
print "not a string"
This does not distinguish "Unicode or ASCII"; it only distinguish...
How do I convert this list of dictionaries to a csv file?
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Does not work if first list item does not contain all keys
– greg121
Jan 13 '16 at 10:18
61
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What's the idiomatic syntax for prepending to a short python list?
...icient, because in Python, a list is an array of pointers, and Python must now take every pointer in the list and move it down by one to insert the pointer to your object in the first slot, so this is really only efficient for rather short lists, as you ask.
Here's a snippet from the CPython source...
How can I get the source code of a Python function?
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If the function is from a source file available on the filesystem, then inspect.getsource(foo) might be of help:
If foo is defined as:
def foo(arg1,arg2):
#do something with args
a = arg1 + arg2
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