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How can I use 'Not Like' operator in MongoDB
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edited Jul 30 at 5:24
whoami
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How can i get the session object if i have the entity-manager
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To be totally exhaustive, things are different if you're using a JPA 1.0 or a JPA 2.0 implementation.
JPA 1.0
With JPA 1.0, you'd have to use EntityManager#getDelegate(). But keep in mind that the result of this method is implementation specific i.e. non portable from application server using...
Select rows of a matrix that meet a condition
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edited Mar 22 '11 at 13:09
answered Mar 22 '11 at 13:04
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OrderBy descending in Lambda expression?
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edited Jul 19 '11 at 19:01
answered Oct 28 '09 at 6:34
Jo...
MySQL - length() vs char_length()
...> 3, 1
As you can see the Euro sign occupies 3 bytes (it's encoded as 0xE282AC in UTF-8) even though it's only one character.
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Selecting multiple columns in a pandas dataframe
...s of the first two columns) then you can do this instead:
df1 = df.iloc[:, 0:2] # Remember that Python does not slice inclusive of the ending index.
Additionally, you should familiarize yourself with the idea of a view into a Pandas object vs. a copy of that object. The first of the above methods w...
count members with jsonpath?
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code4kix
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answered Dec 10 '13 at 15:52
lopisanlopisan
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Why is using the rails default_scope often recommend against?
... when wanting to show unpublished (private) posts. So far so good.
2.1.1 :001 > Post.all
Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, p...
How do I compare two strings in Perl?
...ment is stringwise not equal to the right argument.
Binary cmp returns -1, 0, or 1 depending on whether the left argument is stringwise less than, equal to, or greater than the right argument.
Binary ~~ does a smartmatch between its arguments. ...
lt, le, ge, gt and cmp use the collation (sort) orde...
How to get svn remote repository URL?
... Root: http://svn.red-bean.com/repos/test
Repository UUID: 5e7d134a-54fb-0310-bd04-b611643e5c25
Revision: 4417
Node Kind: file
Schedule: normal
Last Changed Author: sally
Last Changed Rev: 20
Last Changed Date: 2003-01-13 16:43:13 -0600 (Mon, 13 Jan 2003)
Text Last Updated: 2003-01-1...