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Returning value from called function in a shell script
...sing the syntax. I tried using the global variables. But that is also not working. The code is:
5 Answers
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Convert hex string to int
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It's simply too big for an int (which is 4 bytes and signed).
Use
Long.parseLong("AA0F245C", 16);
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Comparing two collections for equality irrespective of the order of items in them
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It turns out Microsoft already has this covered in its testing framework: CollectionAssert.AreEquivalent
Remarks
Two collections are equivalent if they
have the same elements in the same
quantity, but in any order. Elements
are equal if their values are equal,
not if they ref...
How to prevent sticky hover effects for buttons on touch devices
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You can remove the hover state by temporarily removing the link from the DOM. See http://testbug.handcraft.com/ipad.html
In the CSS you have:
:hover {background:red;}
In the JS you have:
function fix()
{
var el = this;
var par = el.parentNode;
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What's the need of array with zero elements?
...red a hack (as Aniket said), but it was standardized in C99. The standard format for it now is:
struct bts_action {
u16 type;
u16 size;
u8 data[];
} __attribute__ ((packed)); /* Note: the __attribute__ is irrelevant here */
Note that you don't mention any size for the data field. N...
Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
I know that PHP is compiled to byte code before it is run on the server, and then that byte code can be cached so that the whole script doesn't have to be re-interpreted with every web access.
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
I want my urls to use dash - instead of underscore _ as word separators. For example controller/my-action instead of controller/my_action .
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What is the full path to the Packages folder for Sublime text 2 on Mac OS Lion
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/Users/{user}/Library/Application Support/Sublime Text 2/Packages
Get to it quickly from within Sublime via the menu at Sublime Text 2... Preferences... Browse Packages
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image.onload event and browser cache
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As you're generating the image dynamically, set the onload property before the src.
var img = new Image();
img.onload = function () {
alert("image is loaded");
}
img.src = "img.jpg";
Fiddle - tested on latest Firefox and Chrome releases.
You can also use the answer in this post, which I a...
python: how to send mail with TO, CC and BCC?
I need for testing purposes to populate few hundred email boxes with various messages, and was going to use smtplib for that. But among other things I need to be able to send messages not only TO specific mailboxes, but CC and BCC them as well. It does not look like smtplib supports CC-ing and B...