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Issue with adding common code as git submodule: “already exists in the index”
...dex at projectfolder. (These look like Unix filemodes, but have special meanings in git.)
I suspect that you will see something like:
160000 d00cf29f23627fc54eb992dde6a79112677cd86c 0 projectfolder
(i.e. a line beginning with 160000), in which case the repository in projectfolder has already ...
Case insensitive string compare in LINQ-to-SQL
I've read that it's unwise to use ToUpper and ToLower to perform case-insensitive string comparisons, but I see no alternative when it comes to LINQ-to-SQL. The ignoreCase and CompareOptions arguments of String.Compare are ignored by LINQ-to-SQL (if you're using a case-sensitive database, you get a ...
How should equals and hashcode be implemented when using JPA and Hibernate
...answered Oct 20 '16 at 13:46
NinaNina
66188 silver badges2121 bronze badges
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Should I implement __ne__ in terms of __eq__ in Python?
... answered Dec 4 '10 at 6:26
Daniel DiPaoloDaniel DiPaolo
49.3k1313 gold badges110110 silver badges110110 bronze badges
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Which is faster: multiple single INSERTs or one multiple-row INSERT?
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In general the less number of calls to the database the better (meaning faster, more efficient), so try to code the inserts in such a way that it minimizes database accesses. Remember, unless your using a connection pool, each databse access has to create a connection, execute the sql, and...
How to properly ignore exceptions
...kdlsjfljsf')
...
>>>
From the docs:
As with any other mechanism that completely suppresses exceptions,
this context manager should be used only to cover very specific errors
where silently continuing with program execution is known to be the
right thing to do.
Note that supp...
Gzip versus minify
I had a somewhat lively discussion the other day about minifying Javascript and CSS versus someone who prefers using Gzip.
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Cannot push to GitHub - keeps saying need merge
I'm new to GitHub . Today I met some issue when I was trying to push my code to GitHub.
31 Answers
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Side-by-side plots with ggplot2
I would like to place two plots side by side using the ggplot2 package , i.e. do the equivalent of par(mfrow=c(1,2)) .
13...
PHP function to generate v4 UUID
So I've been doing some digging around and I've been trying to piece together a function that generates a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a val...