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How to hide output of subprocess in Python 2.7

... use os.devnull if subprocess.DEVNULL is not available (<3.3), use check_call() instead of call() if you don't check its returned code, open files in binary mode for stdin/stdout/stderr, usage of os.system() should be discouraged, &> doesn't work for sh on Ubuntu an explicit >/dev/null ...
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Checkout one file from Subversion

... you have Subversion 1.5+, then do a sparse checkout: svn checkout <url_of_big_dir> <target> --depth empty cd <target> svn up <file_you_want> For an older version of SVN, you might benefit from the following: Checkout the directory using a revision back in the distant pa...
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How to Get the Title of a HTML Page Displayed in UIWebView?

... WKWebView has 'title' property, just do it like this, func webView(_ wv: WKWebView, didFinish navigation: WKNavigation!) { title = wv.title } I don't think UIWebView is suitable right now. share | ...
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https URL with token parameter : how secure is it?

...Actually, with the kind of key space we're talking about, putting a if(this_ip_number_has_requested_an_invalid_token_today()) sleep(5); in your load_simulation script would be perfectly sufficient protection. (Rate limiting is one of those features of good authentication mechanisms.) ...
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How to create a private class method?

...ng a method on an explicit object (in your case self). You can use private_class_method to define class methods as private (or like you described). class Person def self.get_name persons_name end def self.persons_name "Sam" end private_class_method :persons_name end puts "Hey,...
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Hash and salt passwords in C#

...onfirmPassword(string password) { byte[] passwordHash = Hash(password, _passwordSalt); return _passwordHash.SequenceEqual(passwordHash); } Before implementing any of this however, check out this post. For password hashing you may want a slow hash algorithm, not a fast one. To that end th...
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What is the meaning of the prefix N in T-SQL statements and when should I use it?

...efix - I wasn't able to fix it for two days. My database collation is SQL_Latin1_General_CP1_CI_AS. It has a table with a column called MyCol1. It is an Nvarchar This query fails to match Exact Value That Exists. SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = 'ESKİ' // 0 result using pref...
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What is the best django model field to use to represent a US dollar amount?

...ncy value. It will look something like: credit = models.DecimalField(max_digits=6, decimal_places=2) share | improve this answer | follow | ...
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Maven2: Best practice for Enterprise Project (EAR file)

...ocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.mycompany</groupId> <artifactId>myEar</artifactId> <packaging>ear</packaging> <name>My EAR</name...
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Finding all cycles in a directed graph

...nyone using python for this: the Johnson algorithm is implemented as simple_cycle in networkx. – Joel Feb 12 '16 at 21:15  |  show 6 more comm...