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How to show line number when executing bash script
...ly executing.
If you need to know the line number where the function was called, try $BASH_LINENO. Note that this variable is an array.
For example:
#!/bin/bash
function log() {
echo "LINENO: ${LINENO}"
echo "BASH_LINENO: ${BASH_LINENO[*]}"
}
function foo() {
log "$@"
}
foo ...
GSON - Date format
...
This won't really work at all. There is no date type in JSON. I would recommend to serialize to ISO8601 back and forth (for format agnostics and JS compat). Consider that you have to know which fields contain dates.
...
Mac OSX Lion DNS lookup order [closed]
... that file very light.
One advantage of running something like dnsmasq locally (besides the significant performance boost) is that you can redirect whole top-level domains back to your local machine. This allows you to have the whole *.dev namespace for development (for instance), without having to...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...ne it in some other class, you have to refer to it with its namespace. Actually, it does not have to be a constant.
Splat Operator
The splat operator * "unpacks" an array in its position so that
rescue *EXCEPTIONS
means the same as
rescue FooException, BarException
You can also use it withi...
Git hook to send email notification on repo changes
... answered Feb 16 '09 at 5:49
mwallingmwalling
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BestPractice - Transform first character of a string into lower case
... However, + is much faster than string.Format. Use the latter when you actually need to format something (like displaying integers, doubles or dates).
– Dirk Vollmar
Aug 25 '10 at 11:09
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What causes java.lang.IncompatibleClassChangeError?
...out recompiling the client code. Java Language Specification §13 details all such changes, most prominently, changing non-static non-private fields/methods to be static or vice versa.
Recompile the client code against the new library, and you should be good to go.
UPDATE: If you publish a public...
How to remove “index.php” in codeigniter's path
... For some reason, if you have index.php in the URL, it's not actually removed, it stays there and keeps working.
– CMCDragonkai
Dec 3 '13 at 8:06
1
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How does strtok() split the string into tokens in C?
... string into tokens. I am unable to understand from the manual what it actually does.
15 Answers
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How can I click a button behind a transparent UIView?
...view. the subview takes up the center of the screen with 100 px margins on all sides. We then add a bunch of little stuff to click on inside that subview. We are only using the subview to take advantage of the new frame ( x=0, y=0 inside the subview is actually 100,100 in the parent view).
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