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How to validate phone numbers using regex
...ve just the "number". Doing this solves 2 problems - testing the result is now easy and you can now ensure that values rendered back out for display can all be formatted consistently. The first comment on this answer about the "Complicator's Gloves" is a good read... sometimes the answer to a probl...
Is it possible to reopen a closed branch in Mercurial?
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try with following:
hg pull && hg update branch_name
Now make a small change to one of the file and then commit it
hg commit -m "minor change"
then push it
hg push -b .
Now you should be able to work normally.
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Traits vs. interfaces
...later you decide you want to use a file-based cache system instead of APC. Now you have to change your controller code because you've programmed your controller to work with the functionality of the ApcCacher class rather than to an interface that expresses the capabilities of the ApcCacher class. L...
OS X Framework Library not loaded: 'Image not found'
I am trying to create a basic OS X Framework, right now I just have a test framework created: TestMacFramework.framework and I'm trying to import it into a brand new OS X Application project.
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Private and protected constructor in Scala
...m's Programming Scala. I don't have a PDF of Beginning Scala with me right now to check it out.
– Daniel C. Sobral
Nov 13 '09 at 18:53
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Custom ImageView with drop shadow
Okay, I've been reading and searching around, and am now banging my head against the wall trying to figure this out. Here's what I have so far:
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How do I replace a git submodule with another repo?
...it rm --cached path_to_submodule (no trailing slash)
Commit and delete the now untracked submodule files
Now, add the new submodule with the --name flag. This will give git an alternate name to reference in .git/config for the submodule, to deconflict with the submodule that was there historicall...
How do you check if a variable is an array in JavaScript? [duplicate]
...ork as variable instanceof Number always returns false. Update: instanceof now goes 2/3 the speed!
So yet another update
Object.prototype.toString.call(variable) === '[object Array]';
This guy is the slowest for trying to check for an Array. However, this is a one stop shop for any type you're l...
Resync git repo with new .gitignore file
...les
git rm -r --cached .
# add all files as per new .gitignore
git add .
# now, commit for new .gitignore to apply
git commit -m ".gitignore is now working"
(make sure to commit first your changes you want to keep, to avoid any incident as jball037 comments below.
The --cached option will keep your...
What is Unicode, UTF-8, UTF-16?
... by only two bytes, in a region called the Basic Multilingual Plane (BMP). Now a character encoding is needed to access this character set, and as the question asks, I will concentrate on UTF-8 and UTF-16.
Memory considerations
So how many bytes give access to what characters in these encodings?
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