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Activity启动器（ActivityStarter）如何查看并启动其他App · App Inventor 2 中文网
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AngularJS: Is there any way to determine which fields are making a form invalid?
...lowing code in an AngularJS application, inside of a controller,
which is called from an ng-submit function, which belongs to a form with name profileForm :
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What is the difference between re.search and re.match?
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Now, enough talk. Time to see some example code:
# example code:
string_with_newlines = """something
someotherthing"""
import re
print re.match('some', string_with_newlines) # matches
print re.match('someother',
string_with_newlines) # won't match
print re.match('^someother', s...
Is there a way to filter network requests using Google Chrome developer tools?
... to filter out some requests using Chrome developer tools, say, filter out all image requests?
8 Answers
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What are the -Xms and -Xmx parameters when starting JVM?
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The flag Xmx specifies the maximum memory allocation pool for a Java virtual machine (JVM), while Xms specifies the initial memory allocation pool.
This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of ...
How to get a list of column names on Sqlite3 database?
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PRAGMA table_info(table_name);
will get you a list of all the column names.
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How to ignore SVN folders in WinMerge?
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f: \.jar$
## Ignore subversion housekeeping directories
d: \\.svn$
d: \\._svn$
Save it, then when selecting items to merge, select the filter you defined from the Select Files or Folders dialog box. Bonus points: It will save this and use it as a default for future merges.
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Open URL in new window with JavaScript
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Use window.open():
<a onclick="window.open(document.URL, '_blank', 'location=yes,height=570,width=520,scrollbars=yes,status=yes');">
Share Page
</a>
This will create a link titled Share Page which opens the current url in a new window with a height of 570 and width of 5...
Android存储系统基础知识：内部存储，外部存储，App特定目录 ASD(app speci...
...r
file:///storage/emulated/0/
要访问外部存储，需要 READ_ 或 WRITE_EXTERNAL_STORAGE 权限。
App特定目录 ASD(App-specific directory)
此外，可能还有一个特定于应用程序的目录（ASD），可以使用以下命令创建
Tai...
使用模拟器构建应用程序 · App Inventor 2 中文网
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