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How can I upgrade specific packages using pip and a requirements file?
...so I uninstalled Django with:
<virtualenv>/bin/pip uninstall Django
Then I removed <virtualenv>/build/Django directory and finally I installed the proper version with:
<virtualenv>/bin/pip install Django
...
What does the red exclamation point icon in Eclipse mean?
...olved it as belows
Right click on the "Project name"
Select "Build path"
Then select "Configure Build Path"
Click on "Libraries"
Remove all the libraries which were referring to old path
Then, the exclamation symbol on the "Project name" was removed.
...
Django: How to manage development and production settings?
...iable.
Setting DJANGO_SETTINGS_MODULE using a script or a shell
You can then use a bootstrap script or a process manager to load the correct settings (by setting the environment), or just run it from your shell before starting Django: export DJANGO_SETTINGS_MODULE=myapp.production_settings.
Note...
Hidden features of Windows batch files
...orks as a full stack, so you can push many directories onto the stack, and then keep on popping to get back where you were.
– Kibbee
Oct 29 '08 at 0:54
...
How do I hide an element when printing a web page?
... .no-print, .no-print *
{
display: none !important;
}
}
Then add class='no-print' (or add the no-print class to an existing class statement) in your HTML that you don't want to appear in the printed version, such as your button.
...
How to initialize static variables
...ution is to do away with the static methods and use the Singleton pattern. Then you just do the complicated initialization in the constructor. Or make it a "service" and use DI to inject it into any class that needs it.
shar...
I lost my .keystore file?
... I have faced this and had to reissue a new version of my app. Since then all my keys are on Dropbox.
– Varun
Jul 24 '16 at 13:29
...
C programming in Visual Studio
...ct, locate files that have a .cpp file name extension and change it to .c. Then, on the Project Properties page for the project (not for the solution), expand Configuration Properties, C/C++ and select Advanced. Change the Compile As setting to Compile as C Code (/TC).
https://docs.microsoft.com/e...
Read a variable in bash with a default value
... up doing something based on this. Reading into a temp variable input and then using name=${input:-$name}.
– Ricardo Marimon
Apr 15 '10 at 5:05
43
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Concatenate multiple files but include filename as section headers
....txt <==
<contents of file3.txt>
If there is only a single file then the header will not be printed. If using GNU utils, you can use -v to always print a header.
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