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Replace all non-alphanumeric characters in a string
I have a string with which i want to replace any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go...
Split string with dot as delimiter
...name.split("\\.");
(one '\' to escape the '.' in the regular expression, and the other to escape the first one in the Java string)
Also I wouldn't suggest returning fn[0] since if you have a file named something.blabla.txt, which is a valid name you won't be returning the actual file name. Instea...
What does set -e mean in a bash script?
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From help set :
-e Exit immediately if a command exits with a non-zero status.
But it's considered bad practice by some (bash FAQ and irc freenode #bash FAQ authors). It's recommended to use:
trap 'do_something' ERR
to run do_something function when errors occur.
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Resource interpreted as Document but transferred with MIME type application/zip
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That fixes Chrome, but breaks other browsers. My Android phones won't download from that kind of link.
– Betty
Aug 28 '15 at 11:20
38
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The constant cannot be marked static
... field to store the price of a service, a product version number, or the brand name of a company. These values can change over time, and because compilers propagate constants, other code compiled with your libraries will have to be recompiled to see the changes.
From DotNetPerls:
DLLs. When yo...
Cannot delete directory with Directory.Delete(path, true)
...he workings of Directory.Delete. Please read the comments for this answer, and other answers to this question.
I ran into this problem before.
The root of the problem is that this function does not delete files that are within the directory structure. So what you'll need to do is create a functi...
Show current key setting?
I'm having a problem with VIM whereby none of my commands work.
3 Answers
3
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How to detect that animation has ended on UITableView beginUpdates/endUpdates?
... @MrVincenzo Did you set the completionBlock before beginUpdates and endUpdates like in the snippet?
– Rudolf Adamkovič
Feb 19 '13 at 15:11
2
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How do I change read/write mode for a file using Emacs?
If a file is set to read only mode, how do I change it to write mode and vice versa from within Emacs?
9 Answers
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What is the iPad user agent?
...is using iPhone OS, but with a different screen resolution from the iPhone and iPod touch. So many sites may have to change their user agent detection to adapt to the iPad.
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