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Sleep until a specific time/date
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sleep $sleep_seconds
To add precision down to nanoseconds (effectively more around milliseconds) use e.g. this syntax:
current_epoch=$(date +%s.%N)
target_epoch=$(date -d "20:25:00.12345" +%s.%N)
sleep_seconds=$(echo "$target_epoch - $current_epoch"|bc)
sleep $sleep_seconds
Note that macOS ...
Reading Excel files from C#
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83
votes
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jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
... plugin.
$(document).ready(function(){
$(".numeric").numeric();
});
Moreover this works with textareas also!
However, note that Ctrl+A, Copy+Paste (via context menu) and Drag+Drop will not work as expected.
HTML 5
With wider support for the HTML 5 standard, we can use pattern attribute and...
What is the difference between a route and resource in New Router API?
... resource and all of the child routes will be inserted into it.
Update: more complex example with nested resources
Consider the following more complex example with multiple nested resources:
App.Router.map(function() {
this.resource("posts", { path: "/" }, function() {
this.route("new", {...
How to read lines of a file in Ruby
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How to deploy correctly when using Composer's develop / production switch?
...mposer.phar install --no-dev
As you can see the --dev flag is used (far) more than the --no-dev flag, especially when the number of developers working on the project grows.
Production deploy
What's the correct way to deploy this without installing the "dev" dependencies?
Well, the composer....
Number.sign() in javascript
... of finding number's sign ( signum function )?
May be shorter / faster / more elegant solutions than the obvious one
15 A...
How would one write object-oriented code in C? [closed]
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How do I convert between big-endian and little-endian values in C++?
...values they work for signed integers as well.
For floats and doubles it's more difficult as with plain integers as these may or not may be in the host machines byte-order. You can get little-endian floats on big-endian machines and vice versa.
Other compilers have similar intrinsics as well.
In ...
How do you debug a regex? [closed]
...uy RegexBuddy and use its built in debug feature. If you work with regexes more than twice a year, you will make this money back in time saved in no time. RegexBuddy will also help you to create simple and complex regular expressions, and even generate the code for you in a variety of languages.
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