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change cursor to finger pointer
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After testing this, it seems like it's necessary to have both onmouseover="" AND style=cursor: pointer;". If you just have the style tag, the pointer pointer cursor will disappear/default to the standard pointer after one click int...
Best way to store date/time in mongodb
...JavaScript Date objects, which map onto BSON native Date objects.
> db.test.insert({date: ISODate()})
> db.test.insert({date: new Date()})
> db.test.find()
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-10T10:50:42.389Z") }
{ "_id" : ObjectId("..."), "date" : ISODate("2014-02-10T10:5...
How can I check for “undefined” in JavaScript? [duplicate]
What is the most appropriate way to test if a variable is undefined in JavaScript?
16 Answers
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Ruby Regexp group matching, assign variables on 1 line
...omething like this:
#!/usr/bin/env ruby
string = "RyanOnRails: This is a test"
one, two, three = string.match(/(^.*)(:)(.*)/i).captures
p one #=> "RyanOnRails"
p two #=> ":"
p three #=> " This is a test"
Be aware that if no match is found, String#match will return nil, so something...
How do I run Asynchronous callbacks in Playground
...ate: NSDate())
usleep(10)
}
This pattern has often been used in Unit Tests which need to test async callbacks, for example: Pattern for unit testing async queue that calls main queue on completion
share
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HashSet vs LinkedHashSet
...the most of the time we use Set structures for iterating.
Performance tests:
------------- TreeSet -------------
size add contains iterate
10 746 173 89
100 501 264 68
1000 714 410 69
10000 1975 552 69
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How to determine the encoding of text?
...ca -g $tmpfile
echo 'recoding ........'
#iconv -f iso-8859-2 -t utf-8 back_test.xml > $tmpfile
#enca -x utf-8 $tmpfile
#enca -g $tmpfile
recode CP1250..UTF-8 $tmpfile
You might like to check the encoding by opening and reading the file in a form of a loop... but you might need to check the file...
Cannot use identity column key generation with ( TABLE_PER_CLASS )
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I ran into this recently when testing a Dropwizard application. In my case I addressed it by making sure to use the same configuration options used by DW to create the session factory. I'm pretty sure setting the property "hibernate.id.new_generator_map...
Is there a way to dump a stack trace without throwing an exception in java?
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@Daniel There's another consideration: with many testing frameworks, e.g. Spock, just creating an Exception (without throwing it) will be enough for the framework to pick up on: the test will then consider that an Exception has "occurred" and the test will end, with a fail....
performing HTTP requests with cURL (using PROXY)
...error when I run this command: curl -x, --proxy 122.72.2.200:80 mysite.com/test.php?id=1
– user873286
Feb 27 '12 at 22:52
63
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