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Why do you need to put #!/bin/bash at the beginning of a script file?
...sh, the "Bourne Again Shell"), scripts can be in bash, python, perl, ruby, PHP, etc, etc. For example, you might see #!/bin/perl or #!/bin/perl5.
PS:
The exclamation mark (!) is affectionately called "bang". The shell comment symbol (#) is sometimes called "hash".
PPS:
Remember - under *nix, ass...
CRON job to run on the last day of the month
... 1st day of month indeed. Here's how the code will look like in PHP $date = new DateTime('2013-03-01'); $date->modify('-1 month'); $previousMonth = $date->format('Y-m'); // $previousMonth is now 2013-02. Build query to fetch products for the previous month.
– L...
Is there a JavaScript / jQuery DOM change listener?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Difference between object and class in Scala
...lass or trait.
When you do this, your object needs to extend some trait in order to become an instance of a subclass of it.
Consider the following code:
object A extends B with C {
...
}
This declaration first declares an anonymous (inaccessible) class that extends both B and C, and instantiat...
Running the new Intel emulator for Android
... compared to a real device. is this a good configuration: tinypic.com/view.php?pic=efgv83&s=6 ?
– android developer
May 27 '12 at 7:51
1
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Explain the encapsulated anonymous function syntax
...cript, this is called Immediately-Invoked Function Expression (IIFE) .
In order to make it a function expression you've to:
enclose it using ()
place a void operator before it
assign it to a variable.
Otherwise it will be treated as function definition and then you won't be able to call/invo...
How can I represent an infinite number in Python?
...one, math.inf < ... or float('inf') > Ellipsis throws a TypeError: unorderable types: float() < ellipsis(), at least for me.
– Peter Goldsborough
Oct 6 '15 at 19:34
2
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How can I display an RTSP video stream in a web page?
...live video like this:
<iframe src="http://ipcamlive.com/player/player.php?alias=szekesfehervar" width="800px" height="600px"/>
So we just need to copy paste it into our HTML file without any modification.
share
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How to link a Facebook app with an existing fan page
...ved from solutions mentioned below:
Solution 1
http://facebook.com/add.php?api_key=[YOUR_APP_KEY]&pages=1&page=[YOUR_PAGE_ID]
YOUR_APP_KEY You can get it from application settings, its App Id
YOUR_PAGE_ID You can get it through Graph Explorer https://graph.facebook.com/[PAGE_NAME]
So...
How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...atedly lost on check out, rebase, or pull, but I've a specific use case in order to make use of it.
Just git stash save "proj1-debug" while the filter is inactive (just temporarily disable it in gitconfig or something). This way, my debug code can always be git stash apply'd to my code at any time ...