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Scheduling R Script
...pt that pulls some data from a database, performs several operations on it and post the output to a new database.
7 Answer...
Check element CSS display with JavaScript
...s currentStyle? never heard of it, also checked document.body.currentStyle and got nothing (wasn't surprised)
– vsync
Oct 29 '16 at 16:36
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String concatenation: concat() vs “+” operator
Assuming String a and b:
11 Answers
11
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How to use the ProGuard in Android Studio?
This is my first project in Android Studio, and the code of my apps are not obfuscated.
Im using this configuration in build.gradle file:
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How do I create a comma-separated list from an array in PHP?
I know how to loop through items of an array using foreach and append a comma, but it's always a pain having to take off the final comma. Is there an easy PHP way of doing it?
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Detect enter press in JTextField
...r while typing in a JTextField in java? Without having to create a button and set it as the default.
10 Answers
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PostgreSQL disable more output
...t, run it with -q or set QUIET=1 in the environment.
To produce results and throw them away you can redirect stdout to /dev/null with:
psql db -f sql.sql >/dev/null
You can redirect both stdout and stderr with:
psql db -f sql.sql >&/dev/null
but I don't recommend that, as it'll th...
Checking out Git tag leads to “detached HEAD state”
I'm developing a deployment script for my git project and I just started using tags. I've added a new tag called v2.0 :
2 ...
Why would one declare a Java interface method as abstract?
...va Language Specification, the abstract keyword for interfaces is obsolete and should no longer be used. (Section 9.1.1.1)
That said, with Java's propensity for backwards compatibility, I really doubt it will ever make a difference whether the abstract keyword is present.
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C++ Best way to get integer division and remainder
I am just wondering, if I want to divide a by b, and am interested both in the result c and the remainder (e.g. say I have number of seconds and want to split that into minutes and seconds), what is the best way to go about it?
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