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When should I use the “strictfp” keyword in java?
I've looked up what this does, but does anyone actually have an example of when you would use the strictfp keyword in Java? Has anyone actually found a use for this?
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Bypass confirmation prompt for pip uninstall
I'm trying to uninstall all django packages in my superuser environment to ensure that all my webapp dependencies are installed to my virtualenv.
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Count(*) vs Count(1) - SQL Server
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There is no difference.
Reason:
Books on-line says "COUNT ( { [ [ ALL | DISTINCT ] expression ] | * } )"
"1" is a non-null expression: so it's the same as COUNT(*).
The optimizer recognizes it for what it is: trivial.
The same as EXISTS (SELECT * ... or EXISTS (SELECT 1 ...
Example:
SE...
Greedy vs. Reluctant vs. Possessive Quantifiers
...leaving the "foo" at the end of the string unmatched). Now, the matcher finally matches the f in the regex, and the o and the next o are matched too. Success!
A reluctant or "non-greedy" quantifier first matches as little as possible. So the .* matches nothing at first, leaving the entire string un...
How to use multiple arguments for awk with a shebang (i.e. #!)?
...k treated that as a command and printed out every line of input unconditionally. That is why I put in the arbitrary_long_name==0 - it's supposed to fail all the time. You could replace it with some gibberish string. Basically, I was looking for a false-condition in awk that would not adversely affec...
How do SQL EXISTS statements work?
...hen tries to match this 'true/false' condition with outerquery." is what really cleared it up for me, I keep thinking that's how subqueries work (and many times they do), but what you said makes sense because the subquery relies on the outer query and therefore must be executed once per row
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Can I compile all .cpp files in src/ to .o's in obj/, then link to binary in ./?
...ash), otherwise it will fail:
BASEDIR = ../..
SRCDIR = $(BASEDIR)/src
INSTALLDIR = $(BASEDIR)/lib
MODULES = $(wildcard $(SRCDIR)/*.cpp)
OBJS = $(wildcard *.o)
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access denied for load data infile in MySQL
I use MySQL queries all the time in PHP, but when I try
10 Answers
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With Mercurial, how can I “compress” a series of changesets into one before pushing?
... out the hg wiki on the rebase command. Since this question is the 3rd overall search result and the first on stackoverflow I thought that info might be useful.
– a.peganz
Oct 2 '15 at 13:33
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How to loop through files matching wildcard in batch file
... 'f.out'. I want to write a batch file (in Windows XP) which goes through all the filenames, for each one it should:
7 Ans...
