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Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
... To people claiming adb install -r does not work: I guess that the .apk file you are trying to install was not signed with the same developer certificate as the .apk file installed on device. Easily happens if you have installed a Debug app and then are trying to install the Release app or the ot...
Change SVN repository URL
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The repo address and its UUID are saved in the .svn/wc.db SQLite database file in your working copy. Just open the database (e.g. in SQLite Browser), browse table REPOSITORY, and change the root and uuid column values to the new ones. You can find the UUID of the new repo by issuing svn info NEW_SE...
Unit tests vs Functional tests
...ns, generally, that you are testing system functionality -- when I run foo file.txt at the command line, the lines in file.txt become reversed, perhaps. In contrast, a single unit test generally covers a single case of a single method -- length("hello") should return 5, and length("hi") should retu...
What unique features does Firebug have that are not built-in to Firefox?
...on-enumerable properties in the command line.
Can't search within multiple files in Style Editor.
No multi-line command line in the Web Console (though they have Scratchpad and a "smart-multi-line" command line)
No toolbar buttons to toggle the tools or the Inspector.
Can't search within responses o...
Location of parenthesis for auto-executing anonymous JavaScript functions?
... "The outer parens are unnecessary:" - I think they prevent errors when files are concatenated, otherwise you'd need a ! or something.
– Jimmyt1988
Aug 12 '19 at 9:37
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Android: how to draw a border to a LinearLayout
I have three files. The XML, the draw function and the main Activity.
I have some LinearLayout in my XML file.
2 Answers
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Find and replace - Add carriage return OR Newline
...ialog (use Ctrl+Shift+H, or Edit --> Find and Replace --> Replace in Files), and change the scope to "Current Document".
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Why is Thread.Sleep so harmful
... 200k cycles is just another big number (tell me how many cycles to open a file/socket/db calls?).
So if while+Thread.Sleep works, why complicate things? Only syntax lawyers would, be practical!
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How to center align the ActionBar title in Android?
...te a params object?? Can we not specify the gravity in the external layout file that we're assigning to the ActionBar.
– Deep Lathia
Oct 24 '19 at 14:22
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When should I use @classmethod and when def method(self)?
...s a factory
or when you have to initialize your class only once. like open file once, and using feed method to read the file line by line.
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