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Predicate in Java
...or any string that matches its given regular expression.
This is essentially an OOP abstraction for a boolean test.
For example, you may have a helper method like this:
static boolean isEven(int num) {
return (num % 2) == 0; // simple
}
Now, given a List<Integer>, you can process onl...
Label on the left side instead above an input field
...te CSS to fix the issue.
However, I find it odd that I need to do this at all. I couldn't help but feel this manipulation was both annoying and in the long term, error prone. Ultimately, I used a dummy class and some JS to globally shim all my inline inputs. It was small number of cases, so not muc...
How do I get the MIN() of two fields in Postgres?
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LEAST(a, b):
The GREATEST and LEAST functions select the largest or smallest value from a list of any number of expressions. The expressions must all be convertible to a common data type, which will be the type of the result (see Section 10.5 for details). NULL values in the list are ignored. T...
Hibernate vs JPA vs JDO - pros and cons of each? [closed]
... other advantage of JDO/DataNucleus over hibernate is that it doesn't have all the run time reflection overhead and is more memory efficient because it uses build time byte code enhancement (maybe add 1 sec to your build time for a large project) rather than hibernate's run time reflection powered p...
Resetting remote to a certain commit
I want to discard all changes done after commit <commit-hash> .
So I did:
9 Answers
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What is Full Text Search vs LIKE
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In general, there is a tradeoff between "precision" and "recall". High precision means that fewer irrelevant results are presented (no false positives), while high recall means that fewer relevant results are missing (no false negatives). Using the LIKE operator gives you 100% precisi...
Makefiles with source files in different directories
...y is to have a Makefile in each of the subdirectories (part1, part2, etc.) allowing you to build them independently. Further, have a Makefile in the root directory of the project which builds everything. The "root" Makefile would look something like the following:
all:
+$(MAKE) -C part1
+...
Scanner vs. StringTokenizer vs. String.Split
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They're essentially horses for courses.
Scanner is designed for cases where you need to parse a string, pulling out data of different types. It's very flexible, but arguably doesn't give you the simplest API for simply getting an array of...
How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
How can I programmatically (i.e., not using vi ) convert DOS/Windows newlines to Unix?
23 Answers
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Remove redundant paths from $PATH variable
...<the name of the user>/.bashrc file. the /etc/bash.bashrc applies to all users.
– hovanessyan
Jul 25 '12 at 13:59
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