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How do I convert a float number to a whole number in JavaScript?
...e number in JavaScript. Actually, I'd like to know how to do BOTH of the standard conversions: by truncating and by rounding. And efficiently, not via converting to a string and parsing.
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How to set Oracle's Java as the default Java in Ubuntu?
... new version.
If you want to set JAVA_HOME environment variables globally and at system level means use should set in /etc/environment file.
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Split delimited strings in a column and insert as new rows [duplicate]
...parate_rows function as described by @Tif below.
It works so much better, and it allows to "unnest" multiple columns in a single statement:
> head(mydf)
geneid chrom start end strand length gene_count
ENSG00000223972.5 chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1 11869;1...
Spring: @Component versus @Bean
I understand that @Component annotation was introduced in spring 2.5 in order to get rid of xml bean definition by using classpath scanning.
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Difference between acceptance test and functional test?
What is the real difference between acceptance tests and functional tests?
11 Answers
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Python dictionary: are keys() and values() always the same order?
It looks like the lists returned by keys() and values() methods of a dictionary are always a 1-to-1 mapping (assuming the dictionary is not altered between calling the 2 methods).
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jQuery Ajax POST example with PHP
.../ setup some local variables
var $form = $(this);
// Let's select and cache all the fields
var $inputs = $form.find("input, select, button, textarea");
// Serialize the data in the form
var serializedData = $form.serialize();
// Let's disable the inputs for the duration of...
Difference between $state.transitionTo() and $state.go() in Angular ui-router
In AngularJS, I see sometimes we use $state.transitionTo() and sometimes we use $state.go() . Can anyone tell me how they differ and when one should be used over the other?
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How to access property of anonymous type in C#?
...same structure so they are also the same type. I don't have a compiler to hand to verify this though.
nodes.Add(new { Checked = false, /* etc */ });
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Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
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