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Passing parameters to addTarget:action:forControlEvents
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action:@selector(switchToNewsDetails:)
You do not pass parameters to switchToNewsDetails: method here. You just create a selector to make button able to call it when certain action occurs (touch up in your case). Controls can use 3 types of selectors to respond to act...
Parsing command-line arguments in C?
...l address
-V, --version for version information
--usage for usage message
Doing it yourself, which I don't recommend for programs that would be given to somebody else, as there is too much that could go wrong or lower quality. The popular mistake of forgetting about '--' to stop option parsing is j...
How to force the browser to reload cached CSS/JS files?
...o_version($file)
{
if(strpos($file, '/') !== 0 || !file_exists($_SERVER['DOCUMENT_ROOT'] . $file))
return $file;
$mtime = filemtime($_SERVER['DOCUMENT_ROOT'] . $file);
return preg_replace('{\\.([^./]+)$}', ".$mtime.\$1", $file);
}
Now, wherever you include your CSS, change it from this:...
How to discard local changes in an SVN checkout?
...mple:
svn revert some_file.php
It is (as every other svn command) well documented in the svnbook resource or man page, or even with the svn help command.
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What does “Changes not staged for commit” mean
...ify file a and file b but the changes are very different in nature and you don't want all of them to be in one single commit. You issue
git add a
git commit a -m "bugfix, in a"
git add b
git commit b -m "new feature, in b"
As a side note, if you want to commit everything you can just type
git co...
How to set my phpmyadmin user session to not time out so quickly? [duplicate]
... short cookie lifetime is all well and good for the development server. So do not do this on your production server.
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How to print to stderr in Python?
...es, it forces you to make your code Python3-ready... it also forces you to do it NOW, just to print some debugging info to the stderr... which I would find more of a hassle in most situations when I'm trying to debug something. (I'd rather not introduce new syntax errors!) :-)
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Can anyone explain IEnumerable and IEnumerator to me? [closed]
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for example, when to use it over foreach?
You don't use IEnumerable "over" foreach. Implementing IEnumerable makes using foreach possible.
When you write code like:
foreach (Foo bar in baz)
{
...
}
it's functionally equivalent to writing:
IEnumerator bat = baz.G...
How to use java.net.URLConnection to fire and handle HTTP requests?
...set header may hint the server what encoding the parameters are in. If you don't send any query string, then you can leave the Accept-Charset header away. If you don't need to set any headers, then you can even use the URL#openStream() shortcut method.
InputStream response = new URL(url).openStream(...
Should we pass a shared_ptr by reference or by value?
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Here's Herb Sutter's take
Guideline: Don’t pass a smart pointer as a function parameter unless
you want to use or manipulate the smart pointer itself, such as to
share or transfer ownership.
Guideline: Express that a function will store and share owne...