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Passing an integer by reference in Python
...int get very muddy I feel. Ultimately, they're not "pointers" either. At least, certainly not in the same sense as you have in C. (They don't have to be dereferenced, for example). In my mental model, it's easier to think of things as "Names" and "Objects". Assignment binds a "Name"(s) on the l...
Copy/duplicate database without using mysqldump
... -u [user] -p db2 < db1 Otherwise the password prompt messes it up, at least for me when using putty.
– kapex
Oct 22 '12 at 9:56
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Selecting last element in JavaScript array [duplicate]
... as arr[arr.length - 1];, because you're instantiating a new array, but at least it's not some slow and/or destructive approach arr.reverse()[0] or [...arr].pop();, and you're not mutating a built-in prototype (very bad practice) like most of the other solutions. I'll add that nowadays you can use ...
How to configure Ruby on Rails with no database?
...st way to go if you are starting from scratch, although be warned that (at least in Rails 4.0.1) there is a '-' between active and record in that command. So it should read: rails new myApp --skip-active-record
– Nic Benders
Nov 13 '13 at 6:17
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The case against checked exceptions
...Every programming language in the history of languages (on file systems at least) has an API somewhere that lets you open a file. And every client programmer using this API knows that they have to deal with the case that the file they are trying to open doesn't exist.
Let me rephrase that: Every cl...
Error “gnu/stubs-32.h: No such file or directory” while compiling Nachos source code
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FWIW, it smells like an error (or at least a potential source of future pain) to be using files from /usr/include when cross-compiling.
What type of hash does WordPress use?
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It depends at least on the version of PHP that is used. wp-includes/class-phpass.php contains all the answers.
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What does %s mean in a python format string?
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I don't know for earlier versions, but at least for 3.6 it works the same even if you use %s on integers, it will just be converted into a string.
– lapin
Mar 21 at 1:15
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How do I mock an autowired @Value field in Spring with Mockito?
...s correct, I always need some time to get the "setField" call right, so at least for myself I paste an example snippet here:
Production class:
@Value("#{myProps[‘some.default.url']}")
private String defaultUrl;
Test class:
import org.springframework.test.util.ReflectionTestUtils;
ReflectionT...
Is it possible to break a long line to multiple lines in Python [duplicate]
... way to go. It's not perfect since changing the text isn't as easy, but at least it reads ok.
– Rick
Nov 13 '10 at 16:53
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