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How to get the response of XMLHttpRequest?
...est with pure JavaScript. You can set custom header but it's optional used based on requirement.
1. Using POST Method:
window.onload = function(){
var request = new XMLHttpRequest();
var params = "UID=CORS&name=CORS";
request.onreadystatechange = function() {
if (this.read...
valueOf() vs. toString() in Javascript
...operands, and then decides if addition or concatenation should be applied, based on the type of each primitive.
So, this is how you think it works
a + b:
pa = ToPrimitive(a)
if(pa is string)
return concat(pa, ToString(b))
else
return add(pa, ToNumber(b))
and this is wha...
How to upgrade rubygems
...
you command doesn't work on distribution based on debian gem update --system "2.1.0" ERROR: While executing gem ... (RuntimeError) gem update --system is disabled on Debian, because it will overwrite the content of the rubygems Debian package, and might break your D...
Freeing up a TCP/IP port?
...ou :-).
What are you actually trying to achieve here? Solutions will vary based on the processes holding those ports.
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Objective-C formatting string for boolean?
... evaluates the boxed expression and returns the appropriate object literal based on its value (i.e. NSString for const char*, NSNumber for int, etc.).
Sqlite or MySql? How to decide? [closed]
...
Their feature sets are not at all the same. Sqlite is an embedded database which has no network capabilities (unless you add them). So you can't use it on a network.
If you need
Network access - for example accessing from another machine;
Any real degree of concurrency - for example, if you...
Python Remove last 3 characters of a string
...
It doesn't work as you expect because strip is character based. You need to do this instead:
foo = foo.replace(' ', '')[:-3].upper()
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Git for beginners: The definitive practical guide
... using git to track that project). Simply remove the .git directory at the base level of the repository.
cd ~/code/project001/
rm -rf .git/
Caution: This will destroy all revision history, all your tags, everything git has done. It will not touch the "current" files (the files you can currently see...
Passing Parameters JavaFX FXML
...cts into the FXMLLoader constructor, instead you:
Construct an FXMLLoader based upon fxml markup at a specified location
Get a controller from the FXMLLoader instance.
Invoke methods on the retrieved controller to provide the controller with references to the domain objects.
This blog (by another ...
String comparison: InvariantCultureIgnoreCase vs OrdinalIgnoreCase? [duplicate]
...ood at different things.
InvariantCultureIgnoreCase uses comparison rules based on english, but without any regional variations. This is good for a neutral comparison that still takes into account some linguistic aspects.
OrdinalIgnoreCase compares the character codes without cultural aspects. Thi...