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Basic http file downloading and saving to disk in python?
I'm new to Python and I've been going through the Q&A on this site, for an answer to my question. However, I'm a beginner and I find it difficult to understand some of the solutions. I need a very basic solution.
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How to copy file from HDFS to the local file system
...achine:50070), browse to the file you intend to copy, scroll down the page and click on download the file.
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What is a lambda expression in C++11?
...a, it looks for a type conversion which allows it, which includes implicit-cast-to-function-pointer, and then calls that! Sneaky!
– Yakk - Adam Nevraumont
Apr 1 '13 at 0:55
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How to install and run phpize
... yum install php-devel on rhel/centos
– andrej
Nov 21 '13 at 11:23
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How can this be...
Generate JSON string from NSDictionary in iOS
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Here are categories for NSArray and NSDictionary to make this super-easy. I've added an option for pretty-print (newlines and tabs to make easier to read).
@interface NSDictionary (BVJSONString)
-(NSString*) bv_jsonStringWithPrettyPrint:(BOOL) prettyPrint;...
Adding a simple UIAlertView
...d OK
if (buttonIndex == 0) {
// do something here...
}
}
And make sure your delegate conforms to UIAlertViewDelegate protocol:
@interface YourViewController : UIViewController <UIAlertViewDelegate>
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How to insert a text at the beginning of a file?
... lines?
$ sed -i '1,10s/^/<added text> /' file
Or you can use Command Grouping:
$ { echo -n '<added text> '; cat file; } >file.new
$ mv file{.new,}
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How do I test a camera in the iPhone simulator?
... harder than using the simulator. Just build a debug target for the device and leave it attached to the computer.
List of actions that require an actual device:
the actual phone
the camera
the accelerometer
real GPS data
the compass
vibration
push notifications...
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Reading a simple text file
I am trying to read a simple text file in my sample Android Application. I am using the below written code for reading the simple text file.
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Passing Data between View Controllers
...can pass any data (well, almost) via its starting Intent. Easy. No need to cast or something. Passing return values back to caller is an essential thing too, no need to delegate. Of course it is possible to use ugly approaches too, no problem there ))
– Mixaz
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