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How do I remove blank elements from an array?
...n place. It will either return cities as its return value if it rejected something, or nil if no rejections are made. That can be a gotcha if you're not careful (thanks to ninja08 for pointing this out in the comments).
shar...
When to use %r instead of %s in Python? [duplicate]
...r converts the object using str(), and %r converts it using repr().
For some objects such as integers, they yield the same result, but repr() is special in that (for types where this is possible) it conventionally returns a result that is valid Python syntax, which could be used to unambiguously re...
Node.js version on the command line? (not the REPL)
...ode --version
Note:
If node -v doesn't work, but nodejs -v does, then something's not set up quite right on your system. See this other question for ways to fix it.
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How can I get the baseurl of site?
I want to write a little helper method which returns the base URL of the site. This is what I came up with:
13 Answers
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How to drop unique in MySQL?
...the foreign key afterwards. e.g ALTER TABLE fuinfo DROP foreign key fk_name_for_email;
– Brad Parks
Dec 12 '12 at 20:08
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how to check and set max_allowed_packet mysql variable [duplicate]
...ket. It you set the value under [mysqld_safe] (which is default settings came with the mysql installation) mode in /etc/my.cnf, it did no work. I did not dig into the problem. But after I change it to [mysqld] and restarted the mysqld, it worked.
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...url request that manually sets the Origin header, but this request would come from outside a browser, and may not have browser-specific info (such as cookies).
Remember: CORS is not security. Do not rely on CORS to secure your site. If you are serving protected data, use cookies or OAuth tokens or ...
How do I get the value of a textbox using jQuery?
I can get the element like this $("#txtEmail") but I'm not sure how to get the actual value.
9 Answers
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