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Why use the params keyword?
I know this is a basic question, but I couldn't find an answer.
10 Answers
10
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Calling Objective-C method from C++ member function?
...AGLView ) which calls a member function of a C++ class without problems. Now, the problem is that I need to call in that C++ class a objective-C function [context renderbufferStorage:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)self.layer]; which I cannot do in C++ syntax.
...
How to disable anchor “jump” when loading a page?
... delete hash so the page won't scroll to it
window.location.hash = "";
// now whenever you are ready do whatever you want
// (in this case I use jQuery to scroll to the tag after the page has loaded)
$(window).on('load', function() {
if (target) {
$('html, body').animate({
s...
What happens to C# Dictionary lookup if the key does not exist?
...corresponding value
}
else
{
// Key wasn't in dictionary; "value" is now 0
}
(Using ContainsKey and then the the indexer makes it look the key up twice, which is pretty pointless.)
Note that even if you were using reference types, checking for null wouldn't work - the indexer for Dictionary...
Git - How to use .netrc file on Windows to save user and password
...assword in plain text as shown below.
With Git 1.8.3 (April 2013):
You now can use an encrypted .netrc (with gpg).
On Windows: %HOME%/_netrc (_, not '.')
A new read-only credential helper (in contrib/) to interact with the .netrc/.authinfo files has been added.
That script would allow you ...
Replacement for deprecated -sizeWithFont:constrainedToSize:lineBreakMode: in iOS 7?
...widthHere, MAXFLOAT);
UIFont *font = [UIFont systemFontOfSize:sizeHere];
Now As constrainedToSizeusage:lineBreakMode: usage is deprecated in iOS 7.0:
CGSize expectedSize = [stringHere sizeWithFont:font constrainedToSize:maximumSize lineBreakMode:NSLineBreakByWordWrapping];
Now usage in greater ...
Add number of days to a date
...nds since January 1 1970 00:00:00 UTC), relative to the timestamp given in now, or the current time if now is not supplied.
while date
Returns a string formatted according to the given format string using the given integer timestamp or the current time if no timestamp is given.
See the man...
Read url to string in few lines of java code
...
Now that some time has passed since the original answer was accepted, there's a better approach:
String out = new Scanner(new URL("http://www.google.com").openStream(), "UTF-8").useDelimiter("\\A").next();
If you want a s...
How can I deploy/push only a subdirectory of my git repo to Heroku?
...s currently that git-subtree is being included into git-core, but I don't know if that version of git-core has been released yet.
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Java optional parameters
...null ? b : 0;
c = c != null ? c : 0;
//...
}
foo("a", null, 2);
Now all arguments values must be provided, but the default ones may be null.
Optional class. This approach is similar to nulls, but uses Java 8 Optional class for parameters that have a default value:
void foo(String a, Opti...