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Difference between declaring variables before or in loop?
I have always wondered if, in general, declaring a throw-away variable before a loop, as opposed to repeatedly inside the loop, makes any (performance) difference?
A (quite pointless) example in Java:
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Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
... to use Visual Studio 2010 to compile C++ projects, I get the following error message:
26 Answers
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Does Python have “private” variables in classes?
I'm coming from the Java world and reading Bruce Eckels' Python 3 Patterns, Recipes and Idioms .
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Python vs Cpython
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So what is CPython?
CPython is the original Python implementation. It is the implementation you download from Python.org. People call it CPython to distinguish it from other, later, Python implementations, and to distinguish the implementation of the language ...
Pass all variables from one shell script to another?
...ave basically two options:
Make the variable an environment variable (export TESTVARIABLE) before executing the 2nd script.
Source the 2nd script, i.e. . test2.sh and it will run in the same shell. This would let you share more complex variables like arrays easily, but also means that the other sc...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...s planet, but it would seem to me that the following should be a syntax error:
20 Answers
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CSS strikethrough different color from text?
The HTML elements del , strike , or s may all be used for a text strike-through effect. Examples:
12 Answers
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Difference between window.location.href=window.location.href and window.location.reload()
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If I remember correctly, window.location.reload() reloads the current page with POST data, while window.location.href=window.location.href does not include the POST data.
As noted by @W3Max in the comments below, window.location.href=windo...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...o new_list changes my_list everytime. Why is this, and how can I clone or copy the list to prevent it?
22 Answers
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Ajax success event not working
I have a registration form and am using $.ajax to submit it.
16 Answers
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