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Using @include vs @extend in Sass?
...I can't quite discern the difference between using @include with a mixin and using @extend with a placeholder class. Don't they amount to the same thing?
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What happens if you don't commit a transaction to a database (say, SQL Server)?
...s long as you don't COMMIT or ROLLBACK a transaction, it's still "running" and potentially holding locks.
If your client (application or user) closes the connection to the database before committing, any still running transactions will be rolled back and terminated.
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How to create empty text file from a batch file?
Can somebody remember what was the command to create an empty file in MSDOS using BAT file?
13 Answers
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How do I exit from the text window in Git?
I am using Windows and before committing, Git wants me to enter a text message and a new text window appears.
7 Answers
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How to convert a Django QuerySet to a list
...er(lambda x: x.id not in ids, answers)
Read when QuerySets are evaluated and note that it is not good to load the whole result into memory (e.g. via list()).
Reference: itertools.ifilter
Update with regard to the comment:
There are various ways to do this. One (which is probably not the best on...
UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 20: ordinal not in rang
... agreed! a good rule of thumb I was taught is to use the "unicode sandwich" idea. Your script accepts bytes from the outside world, but all processing should be done in unicode. Only when you are ready to output your data should it be mushed back into bytes!
– Andbdrew
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Drawable image on a canvas
...w(canvas);
This will work with all kinds of drawables, not only bitmaps. And it also means that you can re-use that same drawable again if only the size changes.
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Test for existence of nested JavaScript object key
...don't want a TypeError because if one of the members is null or undefined, and you try to access a member, an exception will be thrown.
You can either simply catch the exception, or make a function to test the existence of multiple levels, something like this:
function checkNested(obj /*, level1, ...
Can I target all tags with a single selector?
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For those landing here from google, and wondering what a comma-separated list means in CSS, it's the first example OP gave. That is, h1, h2, h3 {}.
– bluesmonk
May 29 '19 at 17:47
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Controlling mouse with Python
...s one control the mouse cursor in Python, i.e. move it to certain position and click, under Windows?
14 Answers
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