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How do JavaScript closures work?
...s to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
...
What are the effects of exceptions on performance in Java?
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Just for fun I disabled fillInStackTrace in the exception test. Here are the times now: Control 347 Exception 351 Result 364 Sentinel 355
– Fuwjax
Apr 10 '11 at 10:52
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Git workflow and rebase vs merge questions
.... At best, you have to go back and amend each of the affected commits. Not fun.
After a rebase, it's impossible to determine what was originally part of the commits and what was introduced as a result of bad conflict resolution.
*It can be possible to undo a rebase if you can dig the old refs out...
Why doesn't Java allow overriding of static methods?
...'t have any employees assigned to it yet? This is quite logically a static function.
But it doesn't work.
And yes, yes, I can think of any number of ways to rewrite the above code to make it work. My point is not that it creates an unsolvable problem, but that it creates a trap for the unwary prog...
How do you use version control with Access development?
...n
MsgBox Err.Description, vbExclamation, "Error"
Err.Clear
End If
Function exportModulesTxt(sADPFilename, sExportpath)
Dim myComponent
Dim sModuleType
Dim sTempname
Dim sOutstring
dim myType, myName, myPath, sStubADPFilename
myType = fso.GetExtensionName(sADPFilenam...
从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术
...A., Thomas, M., Dodge, T., Carteaux, R., & Tuzun, H.(2005).Making learning fun: Quest A tlantis, a game without guns [A].Educational Technology Research and Development, 53(1) : 862107.
[3] Dede, C., Nelson, B., Ketelhut, D.J., & Bowman, C.(2003).Design2based research strategies for studying sit...
How to encrypt String in Java
...ou need to pick a symmetric key Block Cipher. A Block Cipher is a computer function/program used to create Pseudo-Randomness. Pseudo-Randomness is fake randomness that no computer other than a Quantum Computer would be able to tell the difference between it and real randomness. The Block Cipher is l...
How can I troubleshoot my Perl CGI script?
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@derobert: actually, __DATA__ is the token used to start the data section, not __END__ (I think that was my confusion).
– Ether
Sep 9 '10 at 19:17
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Asking the user for input until they give a valid response
...u are not able to vote in the United States.")
Encapsulating it All in a Function
If you need to ask your user for a lot of different values, it might be useful to put this code in a function, so you don't have to retype it every time.
def get_non_negative_int(prompt):
while True:
tr...
Single Page Application: advantages and disadvantages [closed]
... harder times with caching, compared to classic solutions. For example, in ASP.NET caching is extreamly easy - just turn on OutputCaching and you are good: the whole HTML page will be cached according to URL (or any other parameters). However, in SPA you will need to handle caching yourself (by usin...