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How can I find the first occurrence of a sub-string in a python string?
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219
find()
>>> s = "the dude is a cool dude"
>>> s.find('dude')
4
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How are “mvn clean package” and “mvn clean install” different?
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OrangeDog
27.4k99 gold badges9393 silver badges164164 bronze badges
answered May 17 '13 at 5:34
Daniel KaplanDa...
Does Redis persist data?
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82
I suggest you read about this on http://redis.io/topics/persistence . Basically you lose the gua...
Java / Android - How to print out a full stack trace?
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121
There's overrides of all the log methods with (String tag, String msg, Throwable tr) signatures...
How to get current moment in ISO 8601 format with date, hour, and minute?
...8601 formatted presentation of current moment, UTC? It should look like: 2010-10-12T08:50Z .
22 Answers
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MongoDB not equal to
...ery"})
db.test.find({'post': {$ne : ""}})
{ "_id" : ObjectId("4f68b1a7768972d396fe2268"), "author" : "you", "post" : "how to query" }
And now $not, which takes in predicate ($ne) and negates it ($not):
db.test.find({'post': {$not: {$ne : ""}}})
{ "_id" : ObjectId("4f68b19c768972d396fe2267"), "aut...
Javascript dynamically invoke object method from string
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212
if the name of the property is stored in a variable, use []
foo[method]();
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What is the significance of 1/1/1753 in SQL Server?
Why 1753? What do they have against 1752? My great great great great great great great grandfather would be very offended.
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