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javac option to compile all java files under a given directory recursively
...e sources.txt file each time you create a new source or rename an existing one file which is an easy to forget (thus error-prone) and tiresome task.
Using a build tool
On the long run it is better to use a tool that was designed to build software.
Using Ant
If you create a simple build.xml file tha...
Declaring a custom android UI element using XML
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The Android Developer Guide has a section called Building Custom Components. Unfortunately, the discussion of XML attributes only covers declaring the control inside the layout file and not actually handling the values inside the class initialisation. The steps are as follows:
1. Declare attr...
How do you clear the SQL Server transaction log?
...to do
Back up the log with TRUNCATE_ONLY option and then SHRINKFILE. For one, this TRUNCATE_ONLY option has been deprecated and is no longer available in current versions of SQL Server. Second, if you are in FULL recovery model, this will destroy your log chain and require a new, full backup.
Deta...
How to wait for a number of threads to complete?
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The bugs mentioned in Effective Java should have been fixed in Java 6. If newer java versions aren't a restriction, it's better to use Futures to solve thread problems. Martin v. Löwis: You're right. It's not relecant for that problem, ...
Iterate over a list of files with spaces
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You could replace the word-based iteration with a line-based one:
find . -iname "foo*" | while read f
do
# ... loop body
done
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Difference between java.util.Random and java.security.SecureRandom
...), from a comment on the method protected int next(int bits), which is the one that generates the random values:
This is a linear congruential pseudorandom number generator, as
defined by D. H. Lehmer and described by Donald E. Knuth in
The Art of Computer Programming, Volume 3:
Semi...
What's the difference between UTF-8 and UTF-8 without BOM?
...UTF-8 BOM that wasn't UTF-8 (it was CP936). What's unfortunate is that the ones responsible for the immense amount of pain cause by the UTF-8 BOM are largely oblivious to it.
– bames53
Jan 16 '14 at 23:21
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What does an exclamation mark mean in the Swift language?
...This enum describes whether the variable holds a value (Some(T)), or not (None).
If there is a value, this can be obtained by "unwrapping" the variable (obtaining the T from Some(T)).
How is john!.apartment = number73 different from john.apartment = number73? (Paraphrased)
If you write the n...
How to detect if a script is being sourced
...that holds a stack trace of sources, where ${BASH_SOURCE[0]} is the latest one. The braces are used here to tell the bash what is part of the variable name. They are not necessary for $0 in this case, but they do not hurt either. ;)
– Konrad
Jan 22 '16 at 17:23...
How to reset / remove chrome's input highlighting / focus border? [duplicate]
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You should be able to remove it using
outline: none;
but keep in mind this is potentially bad for usability: It will be hard to tell whether an element is focused, which can suck when you walk through all a form's elements using the Tab key - you should reflect somehow w...