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++someVariable vs. someVariable++ in JavaScript
In JavaScript you can use ++ operator before ( pre-increment ) or after the variable name ( post-increment ). What, if any, are the differences between these ways of incrementing a variable?
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Timeout a command in bash without unnecessary delay
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I think this is precisely what you are asking for:
http://www.bashcookbook.com/bashinfo/source/bash-4.0/examples/scripts/timeout3
#!/bin/bash
#
# The Bash shell script executes a command with a time-out.
# Upon time-out expiration SIGTERM (15) is sent to the process. If the signal
# is...
Pandas every nth row
... find a way of getting every nth row from non-timeseries data. What is the best method?
5 Answers
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How to shrink/purge ibdata1 file in MySQL
...g statistics in R, that is, everytime I run a R script, I create a new database (A), create a new table (B), import the data into B, submit a query to get what I need, and then I drop B and drop A.
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How does “cat
...wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read input from
the current source until a line
containing only word (with no trailing
blanks) is seen.
All of the lines read up to th...
How do you reindex an array in PHP?
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If you need it to start at one, then use the following:
$iOne = array_combine(range(1, count($arr)), array_values($arr));
Here are the manual pages for the functions used:
array_values()
array_combine()
range()
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What is the most efficient/elegant way to parse a flat table into a tree?
Assume you have a flat table that stores an ordered tree hierarchy:
14 Answers
14
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Resizing an Image without losing any quality [closed]
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As rcar says, you can't without losing some quality, the best you can do in c# is:
Bitmap newImage = new Bitmap(newWidth, newHeight);
using (Graphics gr = Graphics.FromImage(newImage))
{
gr.SmoothingMode = SmoothingMode.HighQuality;
gr.InterpolationMode = InterpolationMode...
getResourceAsStream returns null
...().getResourceAsStream(...) loads resources using system class loader, it obviously fails because it does not see your JARs
Lifepaths.class.getResourceAsStream(...) loads resources using the same class loader that loaded Lifepaths class and it should have access to resources in your JARs
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JavaScript loop through json array?
...the Array like this:
for(var i = 0; i < json.length; i++) {
var obj = json[i];
console.log(obj.id);
}
Or like this (suggested from Eric) be careful with IE support
json.forEach(function(obj) { console.log(obj.id); });
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