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How do I show/hide a UIBarButtonItem?
... [self setToolbarItems:toolbarButtons animated:YES];
}
Because it is stored in the outlet, you will keep a reference to it even when it isn't on the toolbar.
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Create an empty data.frame
... data.frame without any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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What's the difference between the various methods to get a Context?
...icial Google Android developers blog was written mostly to help address memory leaks, but provides some good information about contexts as well:
In a regular Android application, you
usually have two kinds of Context,
Activity and Application.
Reading the article a little bit further tells...
How to import existing Git repository into another?
I have a Git repository in a folder called XXX , and I have second Git repository called YYY .
15 Answers
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What's the best method in ASP.NET to obtain the current domain?
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Same answer as MattMitchell's but with some modification.
This checks for the default port instead.
Edit: Updated syntax and using Request.Url.Authority as suggested
$"{Request.Url.Scheme}{System.Uri.SchemeDelimiter}{Request.Url.Authority}"
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Passing arguments with spaces between (bash) script
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$*, unquoted, expands to two words. You need to quote it so that someApp receives a single argument.
someApp "$*"
It's possible that you want to use $@ instead, so that someApp would receive two arguments if you were to call b.sh as
b.sh 'My first' 'M...
How to Set AllowOverride all
...etc/apache2/apache2.conf (here we have an example of /var/www):
<Directory /var/www/>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>
and change it to;
<Directory /var/www/>
Options Indexes FollowSymLinks
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How can I remove a commit on GitHub? [duplicate]
...w—
git reset --soft HEAD^
First, remove the commit on your local repository. You can do this using git rebase -i. For example, if it's your last commit, you can do git rebase -i HEAD~2 and delete the second line within the editor window that pops up.
Then, force push to GitHub by using git push o...
Join an Array in Objective-C
I'm looking for a method of turning a NSMutableArray into a string. Is there anything on a par with this Ruby array method?
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Include jQuery in the JavaScript Console
Is there an easy way to include jQuery in the Chrome JavaScript console for sites that do not use it? For example, on a website I would like to get the number of rows in a table. I know this is really easy with jQuery.
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