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When to throw an exception?
...posed to examine an arbitrary class and return true if that class inherits from List<>. This function asks the question, "Is this object a descendant of List?" This function should never throw an exception, because there are no gray areas in its operation - every single class either does or do...
What's the valid way to include an image with no src?
...e will do, but the following example encodes a GIF that is only 26 bytes - from http://probablyprogramming.com/2009/03/15/the-tiniest-gif-ever
<img src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=" width="0" height="0" alt="" />
Edit based on comment below:
Of course, you mu...
Using jQuery To Get Size of Viewport
... method rather than forcing the automatic creation of a JQuery bringing it from a CDN. Those are tiny notes aside for helping out other programmers. I think that people who make libraries must be richer in the feedback to potential programmer's mistakes. For example, Google Apis need an aside manual...
SQLite Reset Primary Key Field
...
Try this:
delete from your_table;
delete from sqlite_sequence where name='your_table';
SQLite Autoincrement
SQLite keeps track of the largest
ROWID that a table has ever held using
the special SQLITE_SEQUENCE table. The
SQLITE...
Regular expression to match a dot
Was wondering what the best way is to match "test.this" from "blah blah blah test.this@gmail.com blah blah" is? Using Python.
...
Modify SVG fill color when being served as Background-Image
...
One way to do this is to serve your svg from some server side mechanism.
Simply create a resource server side that outputs your svg according to GET parameters, and you serve it on a certain url.
Then you just use that url in your css.
Because as a background img...
How to Right-align flex item?
...lements and you need to float say the last three right, target the 3rd one from the last only with this margin-left: auto; style.
– Daniel Sokolowski
Aug 6 '17 at 22:31
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How do I move a Git branch out into its own repository?
... history will go with it. You can then choose whether to delete the branch from the original repository.
e.g.
git push url://to/new/repository.git branch-to-move:new-branch-name
For a new repository, new-branch-name is typically master.
Creating a new, empty repository can be done with git init...
git pull while not in a git directory
...a git repository. Is it possible to somehow call a command like git pull from inside /X , but targeting the /X/Y directory?
...
How to check if there's nothing to be committed in the current branch?
...cho Repo is clean
fi
I use this as a simple one-liner sometimes:
# pull from origin if our repo is clean
git status --porcelain | grep . || git pull origin master
Add -qs to your grep command to make it silent.
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