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Convert decimal to hexadecimal in UNIX shell script
...echo "obase=16; 34" | bc
If you want to filter a whole file of integers, one per line:
( echo "obase=16" ; cat file_of_integers ) | bc
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How do I autoindent in Netbeans?
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Tried it with a minified file (all code on one line) and won't indent anything: the whole file stays on one line.
– Marco Marsala
May 12 '16 at 6:27
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Dump Mongo Collection into JSON format
...json format? Either on the shell or using java driver.I am looking for the one with best performance.
5 Answers
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PL/SQL, how to escape single quote in a string?
...haracter. That is if you put two single quote characters Oracle will print one. The first >one acts like an escape character.
This is the simplest way to print single quotation marks in Oracle. But it will get >complex when you have to print a set of quotation marks instead of just one. In thi...
Get element from within an iFrame
...at more than ternary operators. They seem to not know that the first valid one is returned.
– geowa4
Jul 6 '09 at 18:44
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How to check if current thread is not main thread
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Should one consider the latter as the safer option as there is no guarantee that any arbitrary thread is associated with a Looper (assuming that the main thread is always associated with a looper)?
– Janus Varm...
RegEx: Smallest possible match or nongreedy match
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I don't know, if I'm the only one with this misunderstanding, but it's important to note: While it's true that the non-greedy operator will match as few characters as possible, it still might not be the match one is looking for. "As few characters as poss...
How can I copy the output of a command directly into my clipboard?
... easy way of doing it. I wrote down the complete procedure just in case anyone else needs it.
First install a 16 kB program called xclip:
sudo apt-get install xclip
You can then pipe the output into xclip to be copied into the clipboard:
cat file | xclip
To paste the text you just copied, yo...
What is string_view?
...which only a non-mutating view is required. The string_view in question is one such proposal; there were earlier ones called string_ref and array_ref, too.
The idea is always to store a pair of pointer-to-first-element and size of some existing data array or string.
Such a view-handle class could ...
When would you use delegates in C#? [closed]
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Delegates are very useful for many purposes.
One such purpose is to use them for filtering sequences of data. In this instance you would use a predicate delegate which accepts one argument and returns true or false depending on the implementation of the delegate itself...
