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How to compare two strings in dot separated version format in Bash?
...rg2 expected_relationship
echo "The following tests should pass"
while read -r test
do
testvercomp $test
done << EOF
1 1 =
2.1 2.2 <
3.0.4.10 3.0.4.2 >
4.08 4.08.01 <
3.2.1.9.8144 3.2 >
3.2 3.2....
Rails: around_* callbacks
I have read the documentation at http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* .
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How do I find out what keystore my JVM is using?
...> security--> cacerts" Note the "s" at the end, just for any future readers.
– Keir Nellyer
Jul 27 '14 at 19:15
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What's the shortest code to cause a stack overflow? [closed]
...
Read this line, and do what it says twice.
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edited Sep 15 '08 at 16:16
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JavaScript file upload size validation
...ction showFileSize() {
var input, file;
// (Can't use `typeof FileReader === "function"` because apparently
// it comes back as "object" on some browsers. So just see if it's there
// at all.)
if (!window.FileReader) {
bodyAppend("p", "The file API isn't supported on thi...
Can javax.persistence.Query.getResultList() return null?
...ct null in other places. Especially as the documentation for getResultList reads Execute a SELECT query and return the query results as a(n) (un)typed List. - @return a list of the results. I'd still check for null of course and return an empty list myself if needed.
– René
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What's the difference between MemoryCache.Add and MemoryCache.Set?
I read the MSDN documentation but didn't really understand it.
1 Answer
1
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Encode URL in JavaScript?
...hod. It URL encodes an object mapping fields to values, which is easier to read than calling an escape method on each value.
$.param({a:"1=2", b:"Test 1"}) // gets a=1%3D2&b=Test+1
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impr...
Stop LastPass filling out a form
...ol. Not pretty, but I got rid of the icon.
If any lastpass developers are reading this, please give us an attribute to use, so we don't have to resort to stuff like this.
form[autocomplete="off"] input[type="text"] {
background-position: 150% 50% !important;
}
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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
...ntifier: String!) -> AnyObject! // Used by the delegate to acquire an already allocated cell, in lieu of allocating a new one.
That's determined by the exclamation mark after AnyObject:
AnyObject!
So, first thing to consider is, what is an "Implicitly Unwrapped Optional"?
The Swift Prog...