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Create table (structure) from existing table
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edited Mar 24 '10 at 6:35
answered Mar 24 '10 at 6:23
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Phone: numeric keyboard for text input
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209
You can do <input type="text" pattern="\d*">. This will cause the numeric keyboard to ap...
Passing base64 encoded strings in URL
...cters which are safe for use in URLs and aren't used in ‘standard’ charset. Your method can even increase the size of transferred data three times in certain situations; while replacing those characters with some other will do the trick while preserving same length. And it's quite standard solut...
TypeScript and field initializers
...oses only.
– Jacques
Oct 13 '15 at 10:42
15
I agree with Jack and Jaques, and I think its worth r...
How do I monitor the computer's CPU, memory, and disk usage in Java?
...ted, and full of useful examples. It is open-source with a GPL 2 Apache 2.0 license. Check it out. I have a feeling it will meet your needs.
Using Java and the Sigar API you can get Memory, CPU, Disk, Load-Average, Network Interface info and metrics, Process Table information, Route info, etc.
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Javascript Object push() function
... not objects, so use the right data structure.
var data = [];
// ...
data[0] = { "ID": "1", "Status": "Valid" };
data[1] = { "ID": "2", "Status": "Invalid" };
// ...
var tempData = [];
for ( var index=0; index<data.length; index++ ) {
if ( data[index].Status == "Valid" ) {
tempData.p...
How to Correctly Use Lists in R?
...2,3,4)); class(notList())
[1] "numeric"
R>
2) Names are simply not set:
R> retList <- function() return(list(1,2,3,4)); names(retList())
NULL
R>
3) They do not return the same thing. Your example gives
R> x <- list(1,2,3,4)
R> x[1]
[[1]]
[1] 1
R> x[[1]]
[1] 1
wher...
counting number of directories in a specific directory
...y's children and do not descend into them at all:
$ find .vim/* -maxdepth 0 -type d
.vim/after
.vim/autoload
.vim/bundle
.vim/colors
.vim/compiler
.vim/doc
.vim/ftdetect
.vim/ftplugin
.vim/indent
.vim/plugin
.vim/syntax
$ find .vim/* -maxdepth 0 -type d | wc -l
11
$ find .vim/ -maxdepth 1 -type d ...
Why is “a” != “a” in C?
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209
What you are comparing are the two memory addresses for the different strings, which are stored...
How to find the width of a div using vanilla JavaScript?
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edited Jul 11 '16 at 8:06
answered Jan 24 '11 at 21:48
A...