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Are PostgreSQL column names case-sensitive?
...rs (including column names) that are not double-quoted are folded to lower case in PostgreSQL. Column names that were created with double-quotes and thereby retained upper-case letters (and/or other syntax violations) have to be double-quoted for the rest of their life: ("first_Name")
So, yes, Post...
Compare two Byte Arrays? (Java)
... toByteArray() is the same as the reference held in array, which of course can never be true. In addition, array classes don't override .equals() so the behavior is that of Object.equals() which also only compares the reference values.
To compare the contents of two arrays, static array comparison...
Define static method in source-file with declaration in header-file in C++
...tatic in the method definition would mean only other methods in that class can access that static method, no other methods outside that class.
– ABV
May 12 '11 at 15:42
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How to select an element by classname using jqLite?
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Thanks! to add from Ricardo Bin answer (angular's mailing list), $document injectable could be used too: jsfiddle.net/ricardohbin/fTQcs
– Lior
Jun 26 '13 at 20:31
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Delete Local Folder in TFS
...ed working on. I don't want that folder anymore so I'd like to delete my local copy. The problem is that TFS wants to mirror the change and delete the folder from source control, I don't want to remove it from TFS.
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Split string using a newline delimiter with Python
...g,h,i', 'j,k,l']
Or as @Ashwini Chaudhary suggested in the comments, you can use
print(data.splitlines())
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How can i get the session object if i have the entity-manager
...sult of this method is implementation specific i.e. non portable from application server using Hibernate to the other. For example with JBoss you would do:
org.hibernate.Session session = (Session) manager.getDelegate();
But with GlassFish, you'd have to do:
org.hibernate.Session session = ((org...
Select rows of a matrix that meet a condition
...if you convert your matrix to a data frame using as.data.frame(). In that case the previous answers (using subset or m$three) will work, otherwise they will not.
To perform the operation on a matrix, you can define a column by name:
m[m[, "three"] == 11,]
Or by number:
m[m[,3] == 11,]
Note t...
Using git commit -a with vim
...pressing Esc).
You close your file with :q while in the normal mode.
You can combine both these actions and do Esc:wqEnter to save the commit and quit vim.
As an alternate to the above, you can also press ZZ while in the normal mode, which will save the file and exit vim. This is also easier for ...
How can I obtain an 'unbalanced' grid of ggplots?
With grid.arrange I can arrange multiple ggplot figures in a grid to achieve a multi-panel figure by using something like:
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