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Is there a way that I can check if a data attribute exists?
...o see it being checked with typeof in one place and without in another. Besides, it's not like using typeof adds a lot more complicated code. It may be more explicit, perhaps redundant at most but hardly overcomplicated. I see your point though, but I'd say that not using it would be oversimplificat...
Best way to parse command-line parameters? [closed]
...lementation detail. It's like writing a max function for a collection and calling it nextMax simply because you wrote it with explicit recursion. Why not just call it optionMap?
– itsbruce
Aug 18 '15 at 13:18
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How to center a checkbox in a table cell?
The cell contains nothing but a checkbox. It is rather wide because of text in the table header row. How do I center the checkbox (with inline CSS in my HTML? (I know))
...
Difference between volatile and synchronized in Java
...re it acquired the lock. In practical terms, on current hardware, this typically causes flushing of the CPU caches when a monitor is acquired and writes to main memory when it is released, both of which are (relatively) expensive.
Using volatile, on the other hand, forces all accesses (read or writ...
How do I get a UTC Timestamp in JavaScript?
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@Merc: 1) you are calling new Date(), that creates a new date from your UTC input but treats it as local date/time. 2) Yes, you should use Math.floor(this.getTime() / 1000) in this case.
– DCoder
Mar 18 '...
Why does string::compare return an int?
... C++ (as in C), every expression is either an rvalue or an
lvalue. Historically, the terms refer to the fact that lvalues
appear on the left of an assignment, where as rvalues can only
appear on the right. Today, a simple approximation for
non-class types is that an lvalue has an address in memory...
Vim: Close All Buffers But This One
...se this script from vim.org:
http://www.vim.org/scripts/script.php?script_id=1071
Just put it to your .vim/plugin directory and then use :BufOnly command to close all buffers but the active one. You could also map it elsewhere you like in your .vimrc.
Source on Github (via vim-scripts mirror): ht...
How can I get the last 7 characters of a PHP string?
...characters are greater then 7 return last 7 characters else return the provided string.
or do this if you need to return message or error if length is less then 7
$newstring = (strlen($dynamicstring)>7)?substr($dynamicstring, -7):"message";
substr documentation
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bootstrap popover not showing on top of all elements
... edited May 28 '14 at 8:46
Vaidas
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answered Apr 12 '13 at 22:37
KyleKy...
Changing UIButton text
...ly obvious, but there are several states available for buttons. If you provide the 'wrong' one, you will not see the text change as desired.
I noticed that my button was not showing the text I added, using the methods shown here. Check this link to make sure you are providing the UIControlState tha...