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How to sync with a remote Git repository?
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using git pull with https didn't work, but with http it did...now I'm up to date, Thanks!
– George Profenza
Nov 30 '10 at 11:59
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namedtuple and default values for optional keyword arguments
...> Node()
Node(val=None, left=None, right=None)
Or better yet, use the new dataclasses library, which is much nicer than namedtuple.
>>> from dataclasses import dataclass
>>> from typing import Any
>>> @dataclass
... class Node:
... val: Any = None
... left: '...
Paste multiple columns together
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# columns to paste together
cols <- c( 'b' , 'c' , 'd' )
# create a new column `x` with the three columns collapsed together
data$x <- apply( data[ , cols ] , 1 , paste , collapse = "-" )
# remove the unnecessary columns
data <- data[ , !( names( data ) %in% cols ) ]
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Why do we not have a virtual constructor in C++?
...es Coplien talks about how to implement virtual constructors in C++ (e.g., new animal("dog")). See users.rcn.com/jcoplien/Patterns/C++Idioms/… for some more information on how it's implemented
– Tony Lee
Sep 18 '09 at 18:16
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Passing ssh options to git clone
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The recently released git 2.3 supports a new variable "GIT_SSH_COMMAND" which can be used to define a command WITH parameters.
GIT_SSH_COMMAND="ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no" git clone user@host
$GIT_SSH_COMMAND takes preceden...
Test if element is present using Selenium WebDriver?
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I found that this works for Java:
WebDriverWait waiter = new WebDriverWait(driver, 5000);
waiter.until( ExpectedConditions.presenceOfElementLocated(by) );
driver.FindElement(by);
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private final static attribute vs private final attribute
...rsion of the variable per instance of the class. So for example:
Test x = new Test();
Test y = new Test();
x.instanceVariable = 10;
y.instanceVariable = 20;
System.out.println(x.instanceVariable);
prints out 10: y.instanceVariable and x.instanceVariable are separate, because x and y refer to diff...
jQuery Mobile: document ready vs. page events
...stayed the same and its not going to be changed.
If you are interested in new way of page event handling take a look here, in any other case feel free to continue with this article. You should read this answer even if you are using jQuery Mobile 1.4 +, it goes beyond page events so you will probabl...
How to listen for a WebView finishing loading a URL?
...iewClient and call onPageFinished() as follows:
mWebView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
// do your stuff here
}
});
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How to get the currently logged in user's user id in Django?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f12615154%2fhow-to-get-the-currently-logged-in-users-user-id-in-django%23new-answer', 'question_page');
}
);
...