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Relative paths based on file location instead of current working directory [duplicate]
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This will make your shell script work independent of where you invoke it from. Each time you run it, it will be as if you were running ./cat.sh inside dir.
Note that this script only works if you're invoking the script directly (i.e. not via a symlink), otherwise the finding the current location ...
What does `unsigned` in MySQL mean and when to use it?
...ED,
the size of the column's range is the
same but its endpoints shift from
-2147483648 and 2147483647 up to 0 and 4294967295.
When do I use it ?
Ask yourself this question: Will this field ever contain a negative value?
If the answer is no, then you want an UNSIGNED data type.
A common m...
How can I put the current running linux process in background? [closed]
I have a command that uploads files using git to a remote server from the Linux shell and it will take many hours to finish.
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What is &&& operation in C
...way. But even if it were standard, the maximal munch rule would prevent it from being parsed that way (unless you insert a space).
– Keith Thompson
Dec 27 '12 at 20:36
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Why is the order in dictionaries and sets arbitrary?
...s,
How CPython's hash set is stored in memory and
How numbers get hashed
From the top:
A hash set is a method of storing random data with really fast lookup times.
It has a backing array:
# A C array; items may be NULL,
# a pointer to an object, or a
# special dummy object
_ _ 4 _ _ 2 _ _ 6
W...
Best way to add page specific JavaScript in a Rails 3 app?
...f you want them precompiled. However, if you require every javascript file from application.js.coffee then all the javacsripts will be loaded every time you navigate to a different page, and the purpose of doing page-specific javascripts will be defeated.
Therefore, you need to create your own man...
Auto-center map with multiple markers in Google Maps API v3
...ay, by extending an empty LatLngBounds rather than creating one explicitly from two points. (See this question for more details)
Should look something like this, added to your code:
//create empty LatLngBounds object
var bounds = new google.maps.LatLngBounds();
var infowindow = new google.maps.Inf...
How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
...s the beforecreate function. It should return false to prevent an item from being created.
14 Answers
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Android - implementing startForeground for a service?
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From your main activity, start the service with the following code:
Intent i = new Intent(context, MyService.class);
context.startService(i);
Then in your service for onCreate() you would build your notification and set i...
How to diff one file to an arbitrary version in Git?
How can I diff a file, say pom.xml , from the master branch to an arbitrary older version in Git?
13 Answers
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