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How do I query if a database schema exists
As part of our build process we run a database update script as we deploy code to 4 different environments. Further, since the same query will get added to until we drop a release into production it has to be able to run multiple times on a given database. Like this:
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Create a folder if it doesn't already exist
I've run into a few cases with WordPress installs with Bluehost where I've encountered errors with my WordPress theme because the uploads folder wp-content/uploads was not present.
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How is AngularJS different from jQuery
...2 cli tool can help you "pre-compile" your code and generate necessary javascript code (tree-shaking) to shrink the download size down to 35Kish.
Angular2 emulated Shadow DOM. (ref)
This opens a door for server rendering that can address SEO issue and work with Nativescript etc that don't work...
Android Studio Checkout Github Error “CreateProcess=2” (Windows)
...o (it asks for that). So you don't have to edit anything manually.
Just close and restart Android Studio if it's open and you're ready to go.
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git add only modified changes and ignore untracked files
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No definite answer, only "works-for-most-people" answers? I have to use another process to do this correctly? How is this not built into git add? It seems like such a common thing to want to do.
– Samuel
Mar 30 '15 at 21:48...
Set breakpoint in C or C++ code programmatically for gdb on Linux
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Yes, this should work across operating systems/compilers/debuggers.
– Håvard S
Dec 1 '10 at 16:24
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How to exit in Node.js
...ave anything to do with web servers at all! It's just a host for some JavaScript, with some nifty built-in libraries for doing useful things.
– Brad
Sep 20 '12 at 14:22
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How to erase the file contents of text file in Python?
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In python:
open('file.txt', 'w').close()
Or alternatively, if you have already an opened file:
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+
In C++, you could use something similar.
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Can I use __init__.py to define global variables?
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But every time a script imports config.py, the code inside is executed. What do you recommend if the code inside config.py is to be run only once? Say I'm reading a settings.json file inside config.py and I don't want to open() it every time ...
How to simulate a higher resolution screen? [closed]
...mments, tools for responsive design testing have been rolled out since in most browsers since the below solution was posted. They are likely the best/easiest option now.]
You could, correct me if I'm wrong, simply create an iframe with style="desired width & height" and src="your/test.site" as...