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Utilizing multi core for tar+gzip/bzip compression/decompression
...ility hasn't this parameter and/or you need specify additional parameters, then use pipes (add parameters if necessary):
$ tar cf - paths_to_archive | pbzip2 > OUTPUT_FILE.tar.gz
$ tar cf - paths_to_archive | pigz > OUTPUT_FILE.tar.gz
Input and output of singlethread and multithread are com...
Officially, what is typename for?
...
Great book. Read it through once then keep it as a reference if you like.
– deft_code
Oct 21 '09 at 15:46
1
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How can I count the occurrences of a list item?
...rol over your data and you know that the input will be indeed an iterable, then you can skip the first two checks. As I said, I only noticed this when working with millions of updates so it's an edge case.
– Bram Vanroy
Nov 14 '18 at 8:45
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TypeError: 'NoneType' object is not iterable in Python
...ge to hide even longer; they think they extended a list (and they did, but then immediately replaced it with None), then pass it to the OP's function and wonder why the file is empty, with no errors raised of any kind.
– ShadowRanger
Oct 5 '18 at 18:56
...
Install NPM into home directory with distribution nodejs package (Ubuntu)
...mentalizing Nodejs packages:
Install Nodejs and NPM via the chris-lea PPA. Then I set up a package root in my homedir to hold the Node "global" packages:
$ NPM_PACKAGES="$HOME/.npm-packages"
$ mkdir -p "$NPM_PACKAGES"
Set NPM to use this directory for its global package installs:
$ echo "prefix ...
Numpy where function multiple conditions
...e the True/False values that you expect. If a and b are both True values, then a and b returns b. So saying something like [0,1,2] and [2,3,4] will just give you [2,3,4]. Here it is in action:
In [230]: dists = np.arange(0,10,.5)
In [231]: r = 5
In [232]: dr = 1
In [233]: np.where(dists >= r...
How to save a data.frame in R?
...ve the exact object. e.g. for data frame foo:
save(foo,file="data.Rda")
Then load it with:
load("data.Rda")
You could also use write.table() or something like that to save the table in plain text, or dput() to obtain R code to reproduce the table.
...
Set font-weight using Bootstrap classes
...trong> and just creating your own class)? I'm going to mark your answer then.
– Ionică Bizău
Sep 19 '16 at 19:33
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How to return only the Date from a SQL Server DateTime datatype
...to show a user a string that has no time portion (not zeroes, just blanks) then you simply want Convert(varchar(30), @Date, 101) or something similar. See SQL Server Books Online • Cast and Convert for more info.
– ErikE
Aug 17 '12 at 22:03
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PhoneGap: Detect if running on desktop browser
...ig.xml add:
<preference name="AppendUserAgent" value="Cordova" />
Then call:
var isCordova = navigator.userAgent.match(/Cordova/i))
Why?
window.cordova and document.addEventListener('deviceready', function(){}); are subject to racing conditions
navigator.standalone does not work when ...