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How to merge remote changes at GitHub?
...eject was on a branch that I didn't have checked out. The branch I was actually on was succeeding. The solution was to git checkout other-branch; git pull; git push; git checkout branch-i-was-working-on.
– Noah Spurrier
Sep 18 '12 at 19:44
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A numeric string as array key in PHP
...hat the behaviour is similar but not identical to JavaScript object keys.
foo = { '10' : 'bar' };
foo['10']; // "bar"
foo[10]; // "bar"
foo[012]; // "bar"
foo['012']; // undefined!
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improv...
Check if a given key already exists in a dictionary
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I usually just use get if I'm going to be pulling the item out of the dictionary anyway. No sense in using in and pulling the item out of the dictionary.
– Jason Baker
Oct 21 '09 at 19:12
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What's the difference between belongs_to and has_one?
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They essentially do the same thing, the only difference is what side of the relationship you are on. If a User has a Profile, then in the User class you'd have has_one :profile and in the Profile class you'd have belongs_to :user. To det...
How to set environment variable or system property in spring tests?
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Thanks for this. The static thing didnt work but a small method with @BeforeClass worked !
– Midhun Agnihotram
Dec 30 '16 at 4:31
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How to reference constants in EL?
...Handler#importClass() and be available as ${YourConstants.FOO}.
Note that all java.lang.* classes are already implicitly imported and available like so ${Boolean.TRUE} and ${Integer.MAX_VALUE}. This only requires a more recent Java EE 7 container server as early versions had bugs in this. E.g. Glas...
how to prevent “directory already exists error” in a makefile when using mkdir
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"Generally, stick to the widely-supported (usually posix-specified) options and features of these programs. For example, don't use ‘mkdir -p’, convenient as it may be, because a few systems don't support it at all and with othe...
setState vs replaceState in React.js
...ows out the current state, and replaces it with only what you provide. Usually setState is used unless you really need to remove keys for some reason; but setting them to false/null is usually a more explicit tactic.
While it's possible it could change; replaceState currently uses the object passe...
How do I remove/delete a folder that is not empty?
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This doesn't work for me: Traceback (most recent call last): File "foo.py", line 31, in <module> shutil.rmtree(thistestdir) File "/usr/lib/python2.6/shutil.py", line 225, in rmtree onerror(os.rmdir, path, sys.exc_info()) File "/usr/lib/python2.6/shutil.py...
Angularjs - ng-cloak/ng-show elements blink
..., use the ng-cloak directive and include the following in your CSS:
/*
Allow angular.js to be loaded in body, hiding cloaked elements until
templates compile. The !important is important given that there may be
other selectors that are more specific or come later and might alter display. ...