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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...
乐高机器人®组件 · App Inventor 2 中文网
... that provides a low-level interface to a LEGO MINDSTORMS EV3
robot, with functions to send system or direct commands to EV3 robots.
属性
BluetoothClient
Specifies the BluetoothClient component that should be used for communication.
Must be set in the Designer.
事件
无
方法
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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...
Why is Git better than Subversion?
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Linus' talk is fun to watch. He brutally rips centralized version control systems like Subversion and CVS. However, Randal Schwartz' youtube.com/watch?v=8dhZ9BXQgc4 talk is more constructive, more informative and more convincing.
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Why does one use dependency injection?
...iled. It just seems silly. My code is never a mess; I hardly write virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes using an XML serializer).
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