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Explaining Python's '__enter__' and '__exit__'
...ation here.
A useful example could be a database connection object (which then automagically closes the connection once the corresponding 'with'-statement goes out of scope):
class DatabaseConnection(object):
def __enter__(self):
# make a database connection and return it
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Why not abstract fields?
...ve the method in the base class and didn't know how to deal with the field then.
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How to scale an Image in ImageView to keep the aspect ratio
...nds=true will make it resize the ImageView to be rectangular as well. This then affects how other Views are laid out around the ImageView.
Then as Samuh wrote, you can change the way it default scales images using the android:scaleType parameter. By the way, the easiest way to discover how this work...
Where can I find the IIS logs?
...n't find it, it isn't installed. You need to fire up Programs and Features then click on Turn Windows features on or off on the left side then select Internet Information Services\World Wide Web Services\Health and Diagnostics\HTTP Logging
– jishi
Jun 21 '11 at...
How do I set cell value to Date and apply default Excel date format?
...irement to create entire .xls files in-memory (still using Apache POI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates.
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How to pull specific directory with git
...hat instead of "HEAD", the hash code of a specific commit may be used, and then you will get the revision (file) or revisions (dir) specific to that commit.
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How to convert a SVG to a PNG with ImageMagick?
... 16x16. When I use ImageMagick's convert program to convert it into a PNG, then I get a 16x16 pixel PNG which is way too small:
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“Pretty” Continuous Integration for Python
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So how does one run the auditing from Pylint then? When I do nosetests --with-xunit --enable-audit I get nosetests: error: no such option: --enable-audit
– Adam Parkin
Mar 19 '12 at 23:00
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How to set current working directory to the directory of the script in bash?
... If you run the script from the current directory like so bash script.sh, then the value of $0 is script.sh. The only way the cd command will "work" for you is because you don't care about failed commands. If you were to use set -o errexit (aka: set -e) to ensure that your script doesn't blow past ...
Is it possible to get CMake to build both a static and shared version of the same library?
...pile the source files to *.o object files. This collection of *.o files is then referred to as $<TARGET_OBJECT:objlib> in the two add_library(...) commands that invoke the appropriate library creation commands that build the shared and static libraries from the same set of object files. If you...