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Why not to deploy on a Friday? [closed]
...ure we don't affect any customers (india and the middle east don't get off from officework on saturdays), but generally we "compromise" and deploy Friday afternoons.
If previously worked on a datingsite where we ideally wanted to deploy new stuff around Tuesday, since activity peaked around weeken...
How to write file if parent folder doesn't exist?
...
I find that the easiest way to do this is to use the outputFile() method from the fs-extra module.
Almost the same as writeFile (i.e. it overwrites), except that if the parent directory does not exist, it's created. options are what you'd pass to fs.writeFile().
Example:
var fs = require('f...
How do you send a HEAD HTTP request in Python 2?
...e code just that the library isn't called httplib anymore but http.client
from http.client import HTTPConnection
conn = HTTPConnection('www.google.com')
conn.request('HEAD', '/index.html')
res = conn.getresponse()
print(res.status, res.reason)
...
How can I check for an empty/undefined/null string in JavaScript?
...g against "", because the interpreter won't have to create a String object from the string literal.
– Vincent Robert
Oct 1 '08 at 20:07
33
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How to rollback a specific migration?
...db:rollback STEP=n
where n is number of migrations to rollback, counting from latest migration.
If you want to rollback to a specific migration, then you should pass the version of the migration in the following:
rake db:migrate:down VERSION=xxxxx
where xxxxx is the version number of the migra...
What does mvn install in maven exactly do
...dds all artifact (dependencies) specified in pom, to the local repository (from remote sources).
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Place a button right aligned
...xample: http://jsfiddle.net/ambiguous/8UvVg/
Floated elements are removed from the normal document flow so they can overflow their parent's boundary and mess up the parent's height, the clear:both CSS takes care of that (as does overflow:hidden). Play around with the JSFiddle example I added to see...
Spring RestTemplate GET with parameters
...LICATION_JSON_VALUE);
UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url)
.queryParam("msisdn", msisdn)
.queryParam("email", email)
.queryParam("clientVersion", clientVersion)
.queryParam("clientType", clientType)
.queryParam("issuerName", is...
Determining if an Object is of primitive type
...is auto-boxing. This would explain the output you are receiving. This page from the Java 1.5 spec explains auto-boxing more in detail.
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Difference between a View's Padding and Margin
...tom, right, and left sides.
An image says more than 1000 words (extracted from Margin Vs Padding - CSS Properties):
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