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Django: reverse accessors for foreign keys clashing
... I submitted an edit to correct it, in the meantime try docs.djangoproject.com/en/1.10/topics/db/models/…
– Ivan
Aug 4 '17 at 0:24
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Android 4.3 menu item showAsAction=“always” ignored
I'm using the new v7 appcompat library available starting from Android 4.3 (API level 18).
12 Answers
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slashes in url variables
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You can use encodeURIComponent and decodeURIComponent for this purpose.
– Keavon
Jun 26 '17 at 19:17
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Preserve colouring after piping grep to grep
...ipe. You can override this behavior with grep --color=always
The correct command line would be
grep --color=always WORD * | grep -v AVOID
This is pretty verbose, alternatively you can just add the line
alias cgrep="grep --color=always"
to your .bashrc for example and use cgrep as the colore...
How can I limit a “Run Script” build phase to my release configuration?
...riable, you need to surround the variable in quotes. So ${CONFIGURATION} becomes "${CONFIGURATION}". I'll update the answer to include that.
– Jason Coco
Mar 3 '11 at 20:30
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
I want to refresh my memory on the conditions under which a compiler typically auto generates a default constructor, copy constructor and assignment operator.
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How do I add a tool tip to a span element?
In the following code, I want a tool-tip to come up when the user hovers the span, how do I do that? I don't want to use any links.
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Select Row number in postgres
...ve an outer query re-arrange result ordering of course ref: stackoverflow.com/a/3397149/32453 comments
– rogerdpack
Jul 8 '16 at 15:54
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Get dimension from XML and set text size in runtime
...8sp</dimen>
Set the size in code:
textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, getResources().getDimension(R.dimen.text_medium));
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Difference between subprocess.Popen and os.system
...en("mycmd" + " myarg", shell=True).wait()
The "improved" code looks more complicated, but it's better because once you know subprocess.Popen(), you don't need anything else. subprocess.Popen() replaces several other tools (os.system() is just one of those) that were scattered throughout three othe...