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How to properly assert that an exception gets raised in pytest?

... pytest.raises(Exception) is what you need. Code import pytest def test_passes(): with pytest.raises(Exception) as e_info: x = 1 / 0 def test_passes_without_info(): with pytest.raises(Exception): x = 1 / 0 def test_fails(): with pytest.raises(Exception) as e_info: ...
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How do I create a MongoDB dump of my database?

...ump: $ ./mongodump --host prod.example.com connected to: prod.example.com all dbs DATABASE: log to dump/log log.errors to dump/log/errors.bson 713 objects log.analytics to dump/log/analytics.bson 234810 objects DATABASE: blog to dump/blog ...
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Error inflating class fragment

... I had the same problem. The solution for me was the order of super.onCreate and setContentView within the FragmentActivity Following order works fine: super.onCreate(savedInstanceState); setContentView(R.layout.fc_activity_list_profiles); ...
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When is the @JsonProperty property used and what is it used for?

... As you know, this is all about serialize and desalinize an object. Suppose there is an object: public class Parameter { public String _name; public String _value; } The serialization of this object is: { "_name": "...", "_value": ".....
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What is the difference between a JavaBean and a POJO?

...ive from a particular base class, or make use of particular annotations in order to be compatible with a given framework, and can be any arbitrary (often relatively simple) Java object. share | impr...
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Replace multiple whitespaces with single whitespace in JavaScript string

... use code like this (the parenthesis on the first regexp are there just in order to make the code a bit more readable ... regexps can be a pain unless you are familiar with them): s = s.replace(/^(\s*)|(\s*)$/g, '').replace(/\s+/g, ' '); The reason this works is that the methods on String-object ...
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Eclipse - debugger doesn't stop at breakpoint

... In order to debugger work with remote, the java .class files must be complied along with debugging information. If "-g:none" option was passed to compiler then the class file will not have necessary information and hence debugge...
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Regular expression to match numbers with or without commas and decimals in text

...rn I had writen in that previous problem I worked on and I improved it in order that it can treat the numbers with commas as an answer for this problem. I've been carried away with my enthusiasm and my liking of regexes. I don't know if the result fits exactly to the need expressed by Michael Pr...
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Unable to generate an explicit migration in entity framework

... This helped me because I caused the problem by renaming the solution. In the process I had renamed the ContextKey so it no longer matched the _MigrationHistory entries. – Joel Jan 12 '16 at 17:23 ...
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How to get a random number in Ruby

...6). A roll in craps could be simulated with 2 + rand(6) + rand(6). Finally, if you just need a random float, just call rand with no arguments. As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-André himself helped to debug,...