大约有 15,482 项符合查询结果（耗时：0.0255秒） [XML]
Queries vs. Filters
...n uses filters and queries in the same request and it is super fast on the test database. We will soon get the live data in there to see how fast it really is.
– Jonesie
Mar 7 '13 at 5:59
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Scheduling R Script
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Supposing your R script is mytest.r, located in D:\mydocuments\, you can create a batch file including the following command:
C:\R\R-2.10.1\bin\Rcmd.exe BATCH D:\mydocuments\mytest.r
Then add it, as a new task, to windows task scheduler, setting there...
Big-O summary for Java Collections Framework implementations? [closed]
...f all, if they were wrong, it ought to be not too hard for you to create a test case that disproves the constant-time performance? Second, if you look at the source code for HashMap, it does not call equals() against each key in the map - only when the hashcodes are equal.
– ma...
Where'd padding go, when setting background Drawable?
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Haven't tested this super thoroughly, but this method might be of use:
/**
* Sets the background for a view while preserving its current padding. If the background drawable
* has its own padding, that padding will be added to ...
What are the differences between git branch, fork, fetch, merge, rebase and clone?
... it's the master that we promote to production, so we only want completed, tested code, via the rebasing and merging of branches.
The standard way to bring a branch 'in' to master is to do a merge. Branches can also be "rebased" to 'clean up' history. It doesn't affect the current state and is do...
Android: Temporarily disable orientation changes in an Activity
...y works like charm... on real devices !
Don't think that it's broken when testing on the emulator, the ctrl+F11 shortcut ALWAYS change the screen orientation, without emulating sensors moves.
EDIT: this was not the best possible answer. As explained in the comments, there are issues with this meth...
Quit and restart a clean R session from within R?
...st, but none of the answers quite work (for me, I'm using Windows, haven't tested others), so I'll add my solution. Some of my terminology might be off here, but this should get the point across:
Above answers don't quite work
Most of the answers submitted here involve using shell or system which ...
How to use glob() to find files recursively?
...+f, filter(lambda f: fnmatch.fnmatch(f, pattern), x)), os.walk('src/webapp/test_scripts')))
– njzk2
Aug 1 '16 at 18:07
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What is simplest way to read a file into String? [duplicate]
...ommons IO..
FileInputStream fisTargetFile = new FileInputStream(new File("test.txt"));
String targetFileStr = IOUtils.toString(fisTargetFile, "UTF-8");
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Visual Studio debugging/loading very slow
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I had this problem when stepping through one of my unit tests. It took about 300 seconds with intellitrace turned on and about 14 seconds when it was turned off. This fix really worked for me.
– Paul Bullivant
Feb 14 '14 at 11:10
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