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What must I know to use GNU Screen properly? [closed]
I've just introduced a friend to GNU Screen and they're having a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What ar...
call a static method inside a class?
...@Ian Dunn Put simply, $this only exists if an object has been instantiated and you can only use $this->method from within an existing object. If you have no object but just call a static method and in that method you want to call another static method in the same class, you have to use self::. So...
What is default color for text in textview?
I set the color to red , and after that I want to set the color again back to default, but I do not know what is default color, does anyone knows ?
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Can you use hash navigation without affecting history?
...he hash value of a URL without leaving an entry in the browser's history and without reloading ? Or do the equivalent?
4...
What is the correct MIME type to use for an RSS feed?
Is one MIME type preferable to ensure compatibility with RSS readers and other scrapers?
7 Answers
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How to select all records from one table that do not exist in another table?
...: What is happening here?
A: Conceptually, we select all rows from table1 and for each row we attempt to find a row in table2 with the same value for the name column. If there is no such row, we just leave the table2 portion of our result empty for that row. Then we constrain our selection by picki...
Convert form data to JavaScript object with jQuery
...se serializeArray is already written, is unit tested in multiple browsers, and could theoretically be improved in later versions of jQuery. The less code you write that has to access inconsistent things like DOM elements directly, the more stable your code will be.
– Tobias Coh...
When deleting remote git branch “error: unable to push to unqualified destination”
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Your answer is awesome. Short and about the essence!
– 1nstinct
Oct 22 '15 at 18:12
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Delete commits from a branch in Git
...e sure to stash any local changes you want to keep before running this command.
Assuming you are sitting on that commit, then this command will wack it...
git reset --hard HEAD~1
The HEAD~1 means the commit before head.
Or, you could look at the output of git log, find the commit id of the comm...
UITableview: How to Disable Selection for Some Rows but Not Others
...AtIndexPath when touched by the user. To avoid this, do as suggested below and set.
cell.userInteractionEnabled = NO;
instead. Also note you may want to set cell.textLabel.enabled = NO; to gray out the item.
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