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How do I find out my python path using python?
...ent variable. To query the variable directly, use:
import os
try:
user_paths = os.environ['PYTHONPATH'].split(os.pathsep)
except KeyError:
user_paths = []
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...
Difference between case object and object
...of serialization
a prettier default implementation of toString, and
the small amount of functionality that they get from automatically inheriting from scala.Product.
Pattern matching, equals and hashCode don't matter much for singletons (unless you do something really degenerate), so you're pre...
Convert object string to JSON
...hout quote with valid double quote
.replace(/([\$\w]+)\s*:/g, function(_, $1){return '"'+$1+'":'})
// replacing single quote wrapped ones to double quote
.replace(/'([^']+)'/g, function(_, $1){return '"'+$1+'"'})
}
Result
var invalidJSON = "{ hello: 'world',foo:1, bar ...
Animate text change in UILabel
...seems that you have to specify the fade at each change. So - provided you call the transition each time, this works fine in my test on iOS9.
– Confused Vorlon
Nov 7 '15 at 23:50
...
Find objects between two dates MongoDB
...being before "Jan Sun 01.01.1000"). It would probably make sense to format all date data into the MongoDB format, which I think is just plain JavaScript Date.
– ponzao
May 31 '10 at 16:47
...
How do I compare two hashes?
...=> [["c", 3]]
Hash[*difference.flatten]
=> {"c"=>3}
Doing it all in one operation and getting rid of the difference variable:
Hash[*(
(hash3.size > hash1.size) \
? hash3.to_a - hash1.to_a \
: hash1.to_a - hash3.to_a
).flatten]
=> {"c"=>3}
...
Eclipse, regular expression search and replace
...\))
replace: ((TypeName)$1)
Hint: CTRL + Space in the textboxes gives you all kinds of suggestions for regular expression writing.
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How to convert .pfx file to keystore with private key?
...entcert.jks -deststoretype JKS
Using JDK 1.5 or below
OpenSSL can do it all. This answer on JGuru is the best method that I've found so far.
Firstly make sure that you have OpenSSL installed. Many operating systems already have it installed as I found with Mac OS X.
The following two commands c...
How to test that no exception is thrown?
... test your functionality: if an exception is thrown the test will automatically fail. If no exception is thrown, your tests will all turn up green.
I have noticed this question garners interest from time to time so I'll expand a little.
Background to unit testing
When you're unit testing it's imp...
.net localhost website consistently making get arterySignalR/poll?transport=longPolling&connectionTo
...ewed the default.aspx page with the Firefox browser. When I check the net calls it has made, I see it making constant calls to:
...