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Refresh image with a new one at the same url
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There is Date.now() for this
– vp_arth
Dec 24 '15 at 6:12
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Repairing Postgresql after upgrading to OSX 10.7 Lion
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It's a PATH issue. Mac OSX Lion includes Postgresql in the system now. If you do a which psql you'll likely see usr/bin/psql instead of usr/local/bin/psql which is HomeBrew's correct one. If you run brew doctor you should get a message stating that you need to add usr/local/bin to the head ...
Difference between require, include, require_once and include_once?
...that executes on the spot, that's procedural code, and you need to get to know a new paradigm. Like object oriented programming, function-based programming, or functional programming.
If you're already doing OO or functional programming, using include_once is mostly going to be delaying where in t...
Extract traceback info from an exception object
Given an Exception object (of unknown origin) is there way to obtain its traceback? I have code like this:
5 Answers
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Animate change of view controllers without using navigation controller stack, subviews or modal cont
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I know the appear calls are being done because I logged them. I also don't see why this would affect orientation changes. Can you elaborate why you think it would?
– TigerCoding
Nov 26 '1...
Get elements by attribute when querySelectorAll is not available without using libraries?
...ment.querySelectorAll('[someAttr]')
to find elements by attribute. It's now supported in all relevant browsers (even IE8): http://caniuse.com/#search=queryselector
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How to uncheck a radio button?
... explanation on the difference between attr() and prop() and why prop() is now preferable.
prop() was introduced with jQuery 1.6 in May 2011.
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How efficient can Meteor be while sharing a huge collection among many clients?
...t. We haven't exposed
the API for setting subscription priority yet. For now, priority is
determined by the order the client subscribes to data sets. The first
subscription a client makes has the highest priority, the second
subscription is next highest, and so on.
Because the merge box holds th...
If a folder does not exist, create it
...er control in my application. I want to save a file in a specified folder. Now I want, if this folder does not exist, to first create it, and then save my file to this folder. If the folder already exists, then just save the file in it.
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How do I get a platform-dependent new line character?
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Java 7 now has a System.lineSeparator() method.
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