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How do I find the authoritative name-server for a domain name?
...er for stackoverflow.com.
At the end of output all authoritative servers, including backup servers for the given domain, are listed.
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How to import load a .sql or .csv file into SQLite?
...because it treats any comma as a delimiter even in a quoted string.
This includes trying to re-import a csv file that was created by the shell:
Create table T (F1 integer, F2 varchar);
Insert into T values (1, 'Hey!');
Insert into T values (2, 'Hey, You!');
.mode csv
.output test.csv
select * fr...
Ng-model does not update controller value
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Split comma-separated strings in a column into separate rows
...dance which of the approaches is the fastest1.
The benchmarked solutions include
Matthew Lundberg's base R approach but modified according to Rich Scriven's comment,
Jaap's two data.table methods and two dplyr / tidyr approaches,
Ananda's splitstackshapesolution,
and two additional variants of ...
How to run a program without an operating system?
...... This is something that boot loaders usually do, but your program could include its own bootloader so it's self-contained, if the firmware will only load a small block of code.
Many ARM boards let you do some of those things. Some have boot loaders to help you with basic setup.
Here you may fin...
How much faster is Redis than mongoDB?
...on between a few different implementations, of which Redis and MongoDB are included. The graph in the article states that Redis is behind MongoDB by about 10% in this specific use case.
Redis comes with a built in benchmark that will analyze the performance of the machine you are on. There is a t...
how to exclude null values in array_agg like in string_agg using postgres?
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Force unmount of NFS-mounted directory [closed]
...lackware 14.0). I had a CIFS mount, not NFS, that was hanging everything (including lsof). I caused the problem by breaking out of a backup script that I'm writing. The script mounts and unmounts the directory, but something about breaking out of rsync messed up my mount. I didn't know about the...
Twitter Bootstrap modal: How to remove Slide down effect
... not the slide. If anyone wants the scss/compass version... .modal.fade {@include transition(opacity .2s linear, none);}
– Simon
May 10 '13 at 12:15
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Numpy matrix to array
...mpy 1.10, and is basically still in beta. This means that a lot of people (including myself) still have to use matrices instead of arrays to get done what we want done. docs.scipy.org/doc/numpy/reference/generated/numpy.matmul.html
– Georges Oates Larsen
Dec 31...