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Git: How to edit/reword a merge commit's message?
...primitive commands might have the nice "feature" of not consuming too much CPU and making you wait unknown time until Git finishes thinking about the list of commits needing to be rebased in the case of git rebase -p -i HEAD^^^^ (such a command which would result in a list of only 4 last commits wit...
How to set a Timer in Java?
..., since the while loop constantly runs and checks for stuff... bad for the cpu and bad for the battery life time.
– Infinite
Jul 2 '13 at 18:49
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How to limit setAccessible to only “legitimate” uses?
...hat kind of an architecture.
If you're distributing a software component called foo.jar to the people of the world, you're completely at their mercy anyway. They could modify the class definitions inside your .jar (through reverse engineering or direct bytecode manipulation). They could run your co...
How to decide when to use Node.js?
...marizing what's awesome about Node.js. My feeling is that Node.js is especially suited for applications where you'd like to maintain a persistent connection from the browser back to the server. Using a technique known as "long-polling", you can write an application that sends updates to the user in ...
Why start an ArrayList with an initial capacity?
... tell ArrayList to allocate a larger storage to begin with as to not waste CPU cycles when it tries to allocate more space for the next item. Thus to allocate some space at the beginning is more effiecient.
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How to design a multi-user ajax web application to be concurrently safe
...r-Side:
Determine a reasonable level at which you would define what I'd call "atomic artifacts" (the page? Objects on the page? Values inside objects?). This will depend on your webservers, database & caching hardware, # of user, # of objects, etc. Not an easy decision to make.
For each atomic...
Are Exceptions in C++ really slow
...r
The cost, however, is not trivial to measure:
The side-table is generally cold, and thus fetching it from memory takes a long time
Determining the right handler involves RTTI: many RTTI descriptors to fetch, scattered around memory, and complex operations to run (basically a dynamic_cast test ...
Is there a unique Android device ID?
...at Anthony's answer.
Full disclosure: my app used the below approach originally but no longer uses this approach, and we now use the approach outlined in the Android Developer Blog entry that emmby's answer links to (namely, generating and saving a UUID#randomUUID()).
There are many answers to this...
What is the difference between Sublime text and Github's Atom [closed]
...inded that this makes Brackets more oriented towards Web development, specially in the front end.
Advantages of open source projects are faster rate of development and, of course, price.
Does it include IDE features like build tools, function definition jumps, documentations, etc.?
The short answ...
多媒体组件 · App Inventor 2 中文网
...全就是杂乱的，不知是不是因为版本过旧，还是其他设置问题，经过一系列尝试（包括设置文本朗读器的国家及语言属性）仍然是不行的。最终只得选择“Google文字转语言引擎”（语音设置为”中文“），中文朗读的效果也非常...