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Sending an HTTP POST request on iOS
I'm trying to send an HTTP Post with the iOS application that I'm developing but the push never reaches the server although I do get a code 200 as response (from the urlconnection). I never get a response from the server nor does the server detect my posts (the server does detect posts coming from a...
How to navigate a few folders up?
One option would be to do System.IO.Directory.GetParent() a few times. Is there a more graceful way of travelling a few folders up from where the executing assembly resides?
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Add swipe to delete UITableViewCell
I am making a CheckList application with a UITableView . I was wondering how to add a swipe to delete a UITableViewCell .
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How do I URL encode a string
... yet, I have been using this category to url-encode a string:
@implementation NSString (NSString_Extended)
- (NSString *)urlencode {
NSMutableString *output = [NSMutableString string];
const unsigned char *source = (const unsigned char *)[self UTF8String];
int sourceLen = strlen((const...
iOS: Access app-info.plist variables in code
...ly accessible by the following...
[[NSBundle mainBundle] objectForInfoDictionaryKey:key_name];
For example to get the version number you might do the following
NSString *appVersion = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"];
There is a gotcha in that the version nu...
Why rename synthesized properties in iOS with leading underscores? [duplicate]
...ds an underscore character when it synthesizes the ivars in the implementation file as:
4 Answers
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Copying files from one directory to another in Java
...irectory in the dir directory, which I have created right before the iteration.
In the code, I want to copy the review (which represents the ith text file or review) to trainingDir . How can I do this? There seems not to be such a function (or I couldn't find). Thank you.
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
In my iOS 5 app, I have an NSString that contains a JSON string. I would like to deserialize that JSON string representation into a native NSDictionary object.
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Recursively list files in Java
...ay to traverse files. Since it's a stream you can do all nice stream operations on the result such as limit, grouping, mapping, exit early etc.
UPDATE: I might point out there is also Files.find which takes a BiPredicate that could be more efficient if you need to check file attributes.
Files.find...
How can I convert an image into a Base64 string?
...an older SDK library (because you want it to work on phones with older versions of the OS) you won't have the Base64 class packaged in (since it just came out in API level 8 AKA version 2.2).
Check this article out for a workaround:
How to base64 encode decode Android
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