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What is the difference between URI, URL and URN? [duplicate]
... (uniform resource identifier) identifies a resource (text document, image file, etc)
URL (uniform resource locator) is a subset of the URIs that include a network location
URN (uniform resource name) is a subset of URIs that include a name within a given space, but no location
That is:
And for...
How to step back in Eclipse debugger?
...king on requires a minimum of 5 seconds to read and initialize data from a file before anything can be done. If I overstep in the debugger, I have to terminate the program and restart, and this takes a fair bit of time.
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Can't append element
...
It is possible to dynamically load a JavaScript file using the jQuery function getScript
$.getScript('http://www.whatever.com/shareprice/shareprice.js', function() {
Display.sharePrice();
});
Now the external script will be called, and if it cannot be loaded it will ...
npm throws error without sudo
...chmod -R whoami' on /usr/local/lib or /usr/lib/ you will ruin your sudoers file and you will hate yourself.
– qodeninja
Mar 10 '15 at 1:02
8
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How to trigger XDebug profiler for a command line PHP script?
XDebug offers the configuration directive "xdebug.profiler_enable_trigger" that allows to activate profiling by passing the GET or POST parameter "XDEBUG_PROFILE" when calling a script via HTTP. This is handy if you don't want profiling for ALL of your scripts but only for a few special cases withou...
Retrieve specific commit from a remote Git repository
....sh:
git fetch --depth=1 ../testrepo/.git $SHA1
You can use the git cat-file command to see that the commit has been fetched:
git cat-file commit $SHA1
"git upload-pack" that serves "git fetch" can be told to serve
commits that are not at the tip of any ref, as long as they are
reachabl...
How to override !important?
...seful to me in finding where to change it, forcing me to add CSS to a code file, the way it should be done, except with these nasty hacks.
– Josh Ribakoff
Oct 17 '13 at 14:52
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How can a string be initialized using “ ”?
...uctor to construct the string, or you would have to read the string from a file.
– AJMansfield
Jul 5 '13 at 13:48
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How to dismiss keyboard for UITextView with return key?
...ctor in UIBuilder. Control-drag the view into the ViewController's header file and link it as an action with the event as Touch Up Inside, such as:
ViewController.h
-(IBAction)dismissKeyboardOnTap:(id)sender;
In the main ViewController file, ViewController.m:
-(IBAction)dismissKeyboardOnTap:(i...
How to write a simple database engine [closed]
...ems one by one:
How to store the data internally:
you should have a data file containing your database objects and a caching mechanism to load the data in focus and some data around it into RAM
assume you have a table, with some data, we would create a data format to convert this table into a bin...