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In Bash, how to add “Are you sure [Y/n]” to any command or alias?
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@DennisWilliamson correct, that's what I tried to mean. Can't edit my comment for some reason.
– João Cunha
Jan 24 '15 at 18:44
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System.Net.WebException HTTP status code
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I can't understand what you wanted to do in this sample. In what cases you wanted event to be logged?
– Sergey
Dec 1 '18 at 22:34
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UITableViewCell subview disappears when cell is selected
... "badge" or "tag" that should just never have a clear background. ::rant:: what a confounding solution @UIKit, setting all child views to transparent when you do a cell selection. At least limit to child views that are the full height or width of the cell, or ones at N depth.
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Is 'float a = 3.0;' a correct statement?
...ompiler will reject it, but it is an error in the sense that it may not be what you want.
As your book correctly states, 3.0 is a value of type double. There is an implicit conversion from double to float, so float a = 3.0; is a valid definition of a variable.
However, at least conceptually, this ...
How can I reverse the order of lines in a file?
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at the end of your command put:
| tac
tac does exactly what you're asking for, it "Write each FILE to standard output, last line first."
tac is the opposite of cat :-).
share
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Importing two classes with same name. How to handle?
...definately he knows that he can change or refactor the name of his Class. What he is asking is different from the answer you gave.
– Yatendra Goel
Jan 17 '10 at 7:58
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Are “while(true)” loops so bad? [closed]
...e block, the actOnInput is more indented, and if you're trying to work out what happens when testCondition returns true, you need to look carefully through the rest of the block to check that there isn't something after the else block which would occur whether running has been set to false or not.
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Animate change of view controllers without using navigation controller stack, subviews or modal cont
...gone. I tried wantsFullScreenLayout=NO in TransitionController's loadView, what it does is it adds a 20 px black area just under statusBar.
– Abduliam Rehmanius
Aug 9 '12 at 18:14
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How to retrieve the hash for the current commit in Git?
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Adding to what Thane said, you can also add a specific length to --short, such as --short=12, to get a specific number of digits from the hash.
– Tyson Phalp
Feb 21 '14 at 17:18
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PHP: How to remove all non printable characters in a string?
...$string = preg_replace('/[\x00-\x1F\x7F\xA0]/u', '', $string);
Addendum: What about str_replace?
preg_replace is pretty efficient, but if you're doing this operation a lot, you could build an array of chars you want to remove, and use str_replace as noted by mgutt below, e.g.
//build an array we...