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What is database pooling?
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@sagar please select the answer which you found to be most useful. You have no accept record.
– zengr
Nov 24 '10 at 7:01
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Create Django model or update if exists
...large collection it won't scale well. update_or_create always first runs a SELECT and thereafter an UPDATE.
for the_bar in bars:
updated_rows = SomeModel.objects.filter(bar=the_bar).update(foo=100)
if not updated_rows:
# if not exists, create new
SomeModel.object...
Don't reload application when orientation changes
...ys a random image when it first loads and rotating the device should not select another random image.
How can I (simply) make this behavior stop?
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Git Remote: Error: fatal: protocol error: bad line length character: Unab
...o 2.19.0
Solution:
Tools > Settings > Git Extensions > SSH
Select [OpenSSH] instead of [PuTTY]
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How can I tell PyCharm what type a parameter is expected to be?
...o use and easier to read than doing the same by assertions and can be used selectively just the same. typecheck-decorator is one such package and has a summary of the others in its documentation. (Flexible, too: you can even do type-checked duck typing!)
– Lutz Prechelt
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Options, Settings, Properties, Configuration, Preferences — when and why?
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Settings: Thinking of a slider to select a value from 1 to 10 for example
Options: Thinking of an on/off button
Preferences: Thinking of a choice from multiple choices, like morning, afternoon or evening
Configuration: Technical settings probably end users...
CSS Selector for
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Yes. IE7+ supports attribute selectors:
input[type=radio]
input[type^=ra]
input[type*=d]
input[type$=io]
Element input with attribute type which contains a value that is equal to, begins with, contains or ends with a certain value.
Other safe (IE7+) ...
Getting DOM elements by classname
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Update: Xpath version of *[@class~='my-class'] css selector
So after my comment below in response to hakre's comment, I got curious and looked into the code behind Zend_Dom_Query. It looks like the above selector is compiled to the following xpath (untested):
[contains(concat...
Can I get a list of files marked --assume-unchanged?
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PowerShell solution, using Select-String \ sls
git ls-files -v | sls -pattern ^h -casesensitive
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How to use the ProGuard in Android Studio?
...efined_buildtype) under module tasks
Go to Build Variant in Left Panel and select the build from drop down
Go to project root directory in File Explorer and open cmd/terminal and run
Linux ./gradlew assembleRelease or assemble(#your_defined_buildtype)
Windows gradlew assembleRelease or assemb...