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Difference between declaring variables before or in loop?
...irst thought is that it's going to be "noise", it might lean one by just a bit. This effort seems purely academic to me though (for most real life applications).. I'd love to see a result anyway ;) Anyone agree?
– javatarz
May 14 '13 at 9:46
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inserting characters at the start and end of a string
...to C2H5OH's answer, in Python 3.6+ you can use format strings to make it a bit cleaner:
s = "something about cupcakes"
print(f"L{s}LL")
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How to calculate an angle from three points? [closed]
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I'm a bit confused how to actually implement this as you're treating P1 etc as individual values rather than (x,y)
– Dominic
Feb 22 '17 at 10:58
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$.focus() not working
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If there is a label with for="same_as_input_id", then you have to use .get(0).
– Shimbala
Sep 9 at 7:14
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Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?
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I also wondered that long time ago. I searched a bit in my history and I think that this post: http://lists.mysql.com/internals/34919 represents the semi-official position of MySQL (before Oracle's intervention ;))
In short:
this limitation stems only from the
way...
How can I launch multiple instances of MonoDevelop on the Mac?
... seconds of work each week. A fair trade for the convenience, methinks.
A bit hacky, but it's worked well for me.
And all the cool kids are doing it.
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Regular expression for a string containing one word but not another
....*selector=size.*$
^.*selector=size.*$ should be clear enough. The first bit, (?!.*details.cfm) is a negative look-ahead: before matching the string it checks the string does not contain "details.cfm" (with any number of characters before it).
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What's the point of const pointers?
...accidentally re-assign an argument value inside the function, the compiler bites me.
I rarely reuse variables, it’s cleaner to create new variables to hold new values, so essentially all my variable declarations are const (except for some cases such as loop variables where const would prevent the...
explicit casting from super class to subclass
...told the compiler everything would be ok and it's not!)
The compiler is a bit smarter than just blindly accepting everything, if you try and cast objects in different inheritence hierarchies (cast a Dog to a String for example) then the compiler will throw it back at you because it knows that could...
Fastest way to check a string contain another substring in JavaScript?
...ipt code will be slower. If you know the exact string, a regex might be a bit faster (as the JavaScript engine does not have to walk the prototype chain to find .indexOf).
– Stephen Chung
Mar 14 '11 at 8:35
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