大约有 4,200 项符合查询结果（耗时：0.0250秒） [XML]
Filter LogCat to get only the messages from My Application in Android?
... somtimes gc print the same number with pid number of a process when free memory. here is an another version adb logcat | grep `adb shell ps | grep org.videolan.vlc | awk '{print $2")"}'`
– alijandro
May 26 '15 at 2:03
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What Android tools and methods work best to find memory/resource leaks? [closed]
...emoveAllViews();
}
}
I'm hoping there is a more principled approach to freeing up such resources.
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How to replace local branch with remote branch entirely in Git?
...have not committed. The branch line moves your branch to a different name, freeing up the original name. The fetch line retrieves the latest copy of the remote. The checkout line recreates the original branch as a tracking branch.
Or as a bash function:
replaceWithRemote() {
yourBranch=${1:-`g...
Auto increment primary key in SQL Server Management Studio 2012
...on any RDBMS because such a feature would be a strange combination of "not free" (performance-wise) and "not desirable" (at least in most applications).
– Paul Groke
Mar 6 '17 at 19:01
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Sleep in JavaScript - delay between actions
...tion for JavaScript, it's best to use setTimeout if possible as it doesn't freeze everything during the sleep period.
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Objective-C Static Class Level variables
.... (Thus the method may never be invoked if the class is not used.)".
Feel free to use the static variable within any ClassA class/instance method.
Code sample:
file: classA.m
static ClassB *classVariableName = nil;
@implementation ClassA
...
+(void) initialize
{
if (! classVariableName)
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How to change size of split screen emacs windows?
...ortazar I haven't use Emacs for years. This answer may not apply now. Feel free to update it.
– wilbeibi
Dec 8 '17 at 0:34
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How do I check if a variable exists?
...fore use:
try:
myVar
except NameError:
myVar = None
# Now you're free to use myVar without Python complaining.
However, I'm still not convinced that's a good idea - in my opinion, you should try to refactor your code so that this situation does not occur.
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Why is “import *” bad?
...l kind of bugs before they happen.
Of course since this is python -- feel free to break rules, and to explore -- but be wary of projects that could grow tenfold, if the source code is missing discipline it will be a problem.
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Drop shadow for PNG image in CSS
I have a PNG image, that has free form (non square).
15 Answers
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