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When to use os.name, sys.platform, or platform.system?
...,release,version,machine = os.uname()
except AttributeError:
no_os_uname = 1
if no_os_uname or not filter(None, (system, node, release, version, machine)):
# Hmm, no there is either no uname or uname has returned
#'unknowns'... we'll have to poke around the system th...
What's an elegant way to conditionally add a class to an HTML element in a view?
...ad' %>">
Finally, you can use Rail's record tag helpers such as div_for, which will automagically set your ID and class based on the record you give it. Given a Person with id 47:
# <div id="person_47" class="person good">
<% div_for @person, class: (@success ? 'good' : 'bad') do ...
Purpose of buildscript block in Gradle
...ass with group: sample.infotask', name: 'infotask', version: '1.0' And use _uploadArchives task to upload it to local repo ../lib' In the another project if I use my task I must write: `buildscript { repositories { maven {url 'file:../lib' } } dependencies { classpath group: 'sample.infotask', name:...
How to get rid of punctuation using NLTK tokenizer?
... quite understand how to get a list of words from text. If I use nltk.word_tokenize() , I get a list of words and punctuation. I need only the words instead. How can I get rid of punctuation? Also word_tokenize doesn't work with multiple sentences: dots are added to the last word.
...
Remove non-ascii character in string
...fo/unicode/char/200B/index.htm
https://en.wikipedia.org/wiki/Left-to-right_mark
Note that although the encoding of the embedded character is UTF-8, the encoding in the regular expression is not. Although the character is embedded in the string as three bytes (in my case) of UTF-8, the instructio...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...
http://wiki.postgresql.org/wiki/Transactional_DDL_in_PostgreSQL:_A_Competitive_Analysis provides an overview of this issue from PostgreSQL's perspective.
Is DDL transactional according to this document?
PostgreSQL - yes
MySQL - no; DDL causes an implicit commit
Oracl...
Error installing libv8: ERROR: Failed to build gem native extension
...m at /home/gitlab/gitlab/vendor/bundle/ruby/2.1.0/cache/libv8-3.16.14.3-x86_64-linux.gem. It may be corrupted. I remove the whole cache folder and re-run bundle install --full-index --deployment --without development test postgres aws. Works.
– Nick Dong
Mar 2...
How can I drop all the tables in a PostgreSQL database?
...at this will not remove the system tables (such as those that begin with pg_) as they are in a different schema, pg_catalog.
– congusbongus
Aug 4 '14 at 7:07
38
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Download file of any type in Asp.Net MVC using FileResult?
...sult Download(int fileID)
{
Data.LinqToSql.File file = _fileService.GetByID(fileID);
return new DownloadResult { VirtualPath = GetVirtualPath(file.Path),
FileDownloadName = file.Name };
}
In my example i was storing t...
How do I append text to a file?
...
better sudo rm -r / than sudo rm -rf /! ^_^ Is there a flag that would ask for confirmation before overwriting the contents of an existing file with >? Aliasing that to always use such a flag seems like it would be a good idea.
– sixty4bit
...