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Return only string message from Spring MVC 3 Controller
...tring foo() {
return "Response!";
}
}
You can find the Javadoc for @RestController here
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Python Write bytes to file
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Since OP seems to be using a non-Windows platform, this only works in Py3. In Py2, you would need to use io.open.
– lvc
Aug 23 '12 at 13:32
2
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Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
...r
or if you did this to many refs, and you want to wipe it all out:
git for-each-ref --format="%(refname)" refs/original/ | xargs -n 1 git update-ref -d
(That's taken directly from the filter-branch manpage.)
This doesn't apply to you, but to others who may find this: If you do a filter-branch...
Can you 'exit' a loop in PHP?
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You are looking for the break statement.
$arr = array('one', 'two', 'three', 'four', 'stop', 'five');
while (list(, $val) = each($arr)) {
if ($val == 'stop') {
break; /* You could also write 'break 1;' here. */
}
echo...
How to read file contents into a variable in a batch file?
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Read file contents into a variable:
for /f "delims=" %%x in (version.txt) do set Build=%%x
or
set /p Build=<version.txt
Both will act the same with only a single line in the file, for more lines the for variant will put the last line into the variable, ...
How to iterate over the keys and values in an object in CoffeeScript?
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Use for x,y of L. Relevant documentation.
ages = {}
ages["jim"] = 12
ages["john"] = 7
for k,v of ages
console.log k + " is " + v
Outputs
jim is 12
john is 7
You may also want to consider the variant for own k,v of ages a...
Compare integer in bash, unary operator expected
...lank value when your statement fails. Always quote your variables when performing comparisons if there is the slightest chance that one of them may be empty, e.g.:
if [ "$i" -ge 2 ] ; then
...
fi
This is because of how the shell treats variables. Assume the original example,
if [ $i -ge 2 ] ...
What does apply_filters(…) actually do in WordPress?
...oked' (using add_filter) into the specified filter 'tag'. Each function performs some processing on the value and returns a modified value to be passed to the next function in the sequence.
For example, by default (in WordPress 2.9) the the_content filter passes the value through the following sequ...
How to find out if an installed Eclipse is 32 or 64 bit version?
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If you can't open Eclipse search alternate answers below for eclipse.ini
– Leo
Jan 21 '13 at 15:52
2
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Is HttpClient safe to use concurrently?
In all the examples I can find of usages of HttpClient , it is used for one off calls. But what if I have a persistent client situation, where several requests can be made concurrently? Basically, is it safe to call client.PostAsync on 2 threads at once against the same instance of HttpClient .
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