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How can I exclude all “permission denied” messages from “find”?
...the use case warrants, and find 2>/dev/null may be good enough in many situations. It may still be of interest for a cross-platform perspective and for its discussion of some advanced shell techniques in the interest of finding a solution that is as robust as possible, even though the cases guard...
Determine a string's encoding in C#
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Check out Utf8Checker it is simple class that does exactly this in pure managed code.
http://utf8checker.codeplex.com
Notice: as already pointed out "determine encoding" makes sense only for byte streams. If you have a string it is already encode...
Properly removing an Integer from a List
Here's a nice pitfall I just encountered.
Consider a list of integers:
8 Answers
8
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How do I sort an observable collection?
...wfal) and to handle duplicates which no other answers here do at time of writing. The observable is partitioned into a left sorted half and a right unsorted half, where each time the minimum item (as found in the sorted list) is shifted to the end of the sorted partition from the unsorted. Worst cas...
How to use sed/grep to extract text between two words?
...0 That would work if you want to see the "Here is a" as well. You can test it out: echo "Here is a one is a String" | sed -e 's/one is\(.*\)String/\1/'. If you just want the part between "one is" and "String", then you need to make the regex match the whole line: sed -e 's/.*one is\(.*\)String.*/\1/...
Why doesn't margin:auto center an image?
The div expands to 100% as it should but the image does not center itself. Why?
8 Answers
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Toggle Checkboxes on/off
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You can write:
$(document).ready(function() {
$("#select-all-teammembers").click(function() {
var checkBoxes = $("input[name=recipients\\[\\]]");
checkBoxes.prop("checked", !checkBoxes.prop("checked"));
}); ...
Why would iterating over a List be faster than indexing through it?
Reading the Java documentation for the ADT List it says:
5 Answers
5
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rake db:schema:load vs. migrations
... be made to the database during deploys: migrations provide this functionality with a rollback failsafe. If you run rake db:schema:load on a production server, you'll end up deleting all your production data. This is a dangerous habit to get into.
That being said, I believe it is a decent practice ...
Detect changes in the DOM
...ontrol over the changes you just need to create your own domChanged API - with a function or custom event - and trigger/call it everywhere you modify things.
The DOM Level-2 has Mutation event types, but older version of IE don't support it. Note that the mutation events are deprecated in the DOM3...