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Create a folder inside documents folder in iOS apps
...athForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0]; // Get documents folder
NSString *dataPath = [documentsDirectory stringByAppendingPathComponent:@"/MyFolder"];
if (![[NSFileManager defaultManager] fileExistsAtPath:dataP...
What is REST? Slightly confused [closed]
... not that advanced, nor is it long (six chapters, 180 pages)! (I know you kids in school like it short).
EDIT: I feel it's pointless to try to explain REST. It has so many concepts like scalability, visibility (stateless) etc. that the reader needs to grasp, and the best source for understanding t...
What Does 'Then' Really Mean in CasperJS
...
require('utils').dump(casper.steps.map(function(step) {
return step.toString();
}));
That gives:
$ casperjs test-steps.js
[
"function step1() { this.echo('this is step one'); }",
"function step2() { this.echo('this is step two'); }",
"function _step() { this.open(location, settin...
How do you cast a List of supertypes to a List of subtypes?
...
This lets me write: List<String> myList = (List<String>)(List<?>)(new ArrayList<Integer>()); This would crash at runtime. I prefer something like List<? extends Number> myList = new ArrayList<Integer>();
...
“Thinking in AngularJS” if I have a jQuery background? [closed]
...together, you instead define a library of components, each identified by a string.
Say I have a component called 'FlickrService' which defines methods for pulling JSON feeds from Flickr. Now, if I want to write a controller that can access Flickr, I just need to refer to the 'FlickrService' by name...
Add number of days to a date
...te('Y-m-d', strtotime("+30 days"));
strtotime
expects to be given a string containing a US English date format and will try to parse that format into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 UTC), relative to the timestamp given in now, or the current time if now ...
Is there a conditional ternary operator in VB.NET?
...Here's some more info: Visual Basic If announcement
Example:
Dim foo as String = If(bar = buz, cat, dog)
[EDIT]
Prior to 2008 it was IIf, which worked almost identically to the If operator described Above.
Example:
Dim foo as String = IIf(bar = buz, cat, dog)
...
Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...rn simplejson.dumps(conditions) # Encode and dump `conditions` as a JSON string
When translated through JSON (using a library like 'simplejson' for Python), the resulting JSON structure looks nearly identical (except in JSON, booleans are lower-cased).
Decoding that structure only requires a JS...
What is the usefulness of PUT and DELETE HTTP request methods?
...
The DELETE method requests that the origin server delete the resource identified by the Request-URI. This method MAY be overridden by human intervention (or other means) on the origin server. The client cannot be guaranteed that the operation has been carried out, even if the status code return...
How to make child process die after parent exits?
... of a fork(2) and (since Linux 2.4.36 / 2.6.23) when executing a set-user-ID or set-group-ID binary.
– qrdl
Dec 10 '16 at 19:46
...