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What should every JavaScript programmer know? [closed]
Is there a set of things that every JavaScript programmer should know to be able to say "I know JavaScript"?
30 Answers
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Git checkout: updating paths is incompatible with switching branches
My problem is related to Fatal Git error when switching branch .
11 Answers
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Python - Passing a function into another function
... it in like any other parameter:
def a(x):
return "a(%s)" % (x,)
def b(f,x):
return f(x)
print b(a,10)
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How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
I have a innoDB table which records online users. It gets updated on every page refresh by a user to keep track of which pages they are on and their last access date to the site. I then have a cron that runs every 15 minutes to DELETE old records.
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convert from Color to brush
How do I convert a Color to a Brush in C#?
7 Answers
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Replace multiple whitespaces with single whitespace in JavaScript string
...a whitespaces, each time there's more than only one whitespace I'd like it be only one.
11 Answers
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Replace words in a string - Ruby
I have a string in Ruby:
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4
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How do I specify unique constraint for multiple columns in MySQL?
I have a table:
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Properties order in Margin
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Margin="1,2,3,4"
Left,
Top,
Right,
Bottom
It is also possible to specify just two sizes like this:
Margin="1,2"
Left AND right
Top AND bottom
Finally you can specify a single size:
Margin="1"
used for all sides
The order is the same as in WinForm...
What do two question marks together mean in C#?
...se that, otherwise use what's to the right."
Note that you can use any number of these in sequence. The following statement will assign the first non-null Answer# to Answer (if all Answers are null then the Answer is null):
string Answer = Answer1 ?? Answer2 ?? Answer3 ?? Answer4;
Also it's wo...