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UIGestureRecognizer on UIImageView
...= [[UIPinchGestureRecognizer alloc]
initWithTarget:self action:@selector(handlePinch:)];
pgr.delegate = self;
[imageView addGestureRecognizer:pgr];
[pgr release];
:
:
- (void)handlePinch:(UIPinchGestureRecognizer *)pinchGestureRecognizer
{
//handle pinch...
}
...
What are the use(s) for tags in Go?
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A tag for a field allows you to attach meta-information to the field which can be acquired using reflection. Usually it is used to provide transformation info on how a struct field is encoded to or decoded from another format (or st...
Why is lazy evaluation useful?
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Mostly because it can be more efficient -- values don't need to be computed if they're not going to be used. For example, I may pass three values into a function, but depending on the sequence of conditional expressions, only a subset may actually be ...
How to schedule a task to run when shutting down windows
...down windows. There doesn't seem to be an option in scheduled tasks to perform this task when my computer shuts down.
10 An...
How do I get the path to the current script with Node.js?
...ound it after looking through the documentation again. What I was looking for were the __filename and __dirname module-level variables.
__filename is the file name of the current module. This is the resolved absolute path of the current module file. (ex:/home/kyle/some/dir/file.js)
__dirname is th...
How to check type of variable in Java?
...s a statically typed language, so the compiler does most of this checking for you. Once you declare a variable to be a certain type, the compiler will ensure that it is only ever assigned values of that type (or values that are sub-types of that type).
The examples you gave (int, array, double) th...
Git push requires username and password
I cloned a Git repository from my GitHub account to my PC.
24 Answers
24
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C#: how to get first char of a string?
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Shouldn't 'a spent those extra five seconds typing the words, "should be enough".
– Robert Harvey
Oct 7 '10 at 5:02
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How to scp in Python?
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Try the Python scp module for Paramiko. It's very easy to use. See the following example:
import paramiko
from scp import SCPClient
def createSSHClient(server, port, user, password):
client = paramiko.SSHClient()
client.load_system_host_keys(...
ValueError: invalid literal for int() with base 10: ''
...the file is not blank, it reads the next four lines. Calculations are performed on those lines and then the next line is read. If that line is not empty it continues. However, I am getting this error:
...