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Are there disadvantages to using a generic varchar(255) for all text-based fields?
...h are defined as VARCHAR(255) even though none of these fields will ever come close to having 255 characters. (If you're wondering, it's this way because Ruby on Rails migrations map String fields to VARCHAR(255) by default and I never bothered to override it).
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Assign variables to child template in {% include %} tag Django
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
from list of integers, get number closest to a given value
Given a list of integers, I want to find which number is the closest to a number I give in input:
8 Answers
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pandas three-way joining multiple dataframes on columns
I have 3 CSV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person.
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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...m (select i from g group by i) a;
count
10001
(1 row)
Time: 594,481 ms
http://www.pgsql.cz/index.php/PostgreSQL_SQL_Tricks_I
so be careful ... :)
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Utilizing multi core for tar+gzip/bzip compression/decompression
I normally compress using tar zcvf and decompress using tar zxvf (using gzip due to habit).
6 Answers
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jQuery - If element has class do this
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How do I get the directory that a program is running from?
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if they launch using an aliased command on Linux is the argv[0] the "name of the command" or expanded?
– Andy Dent
Aug 4 '10 at 8:16
20
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SBT stop run without exiting
...g Scala 2.12.7+ you can also cancel the compilation with CTRL+C. Reference https://github.com/scala/scala/pull/6479
There are some bugs reported:
https://github.com/sbt/sbt/issues/1442
https://github.com/sbt/sbt/issues/1855
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How do I associate file types with an iPhone application?
...93 0 0 24983 0 0:00:01 0:00:01 --:--:-- 28926
$ cat headers
HTTP/1.1 200 OK
accept-ranges: bytes
cache-control: max-age=0
content-disposition: attachment; filename="123.icz"
Content-Type: text/calendar
Date: Fri, 24 May 2013 17:41:28 GMT
etag: 872926d
pragma: public
Server: nginx
x-dr...