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Is the primary key automatically indexed in MySQL?
...exes.
For instance, if you created a table as such
CREATE TABLE mytable (foo INT NOT NULL PRIMARY KEY, bar INT NOT NULL, baz INT NOT NULL,
UNIQUE(foo), INDEX(foo)) ENGINE=InnoDB;
because you want to index the primary key and enforce an uniqueness constraint on it, you'd actually end up creatin...
How to check for a JSON response using RSpec?
...en you can make your assertions against that parsed content.
parsed_body["foo"].should == "bar"
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Can I use require(“path”).join to safely concatenate urls?
...rl-join');
var fullUrl = urljoin('http://www.google.com', 'a', '/b/cd', '?foo=123');
console.log(fullUrl);
Prints:
'http://www.google.com/a/b/cd?foo=123'
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Simple logical operators in Bash
...ng1" == "$string2" (beware that the right-hand side is a pattern, e.g. [[ $foo == a* ]] tests if $foo starts with a while [[ $foo == "a*" ]] tests if $foo is exactly a*), and the familiar !, && and || operators for negation, conjunction and disjunction as well as parentheses for grouping. No...
Determine if an element has a CSS class with jQuery
...assName string. So if, for instance, you have an element,
<span class="foo bar" />
then this will return true:
$('span').hasClass('foo bar')
and these will return false:
$('span').hasClass('bar foo')
$('span').hasClass('foo bar')
...
Relative paths in Python
...oesn't appear to be the case on my system (python 2.5.1 on OS X 10.5.7):
#foo.py
import os
print os.getcwd()
print __file__
#in the interactive interpreter
>>> import foo
/Users/jason
foo.py
#and finally, at the shell:
~ % python foo.py
/Users/jason
foo.py
However, I do know that there...
SVN Commit specific files
...Sure. Just list the files:
$ svn ci -m "Fixed all those horrible crashes" foo bar baz graphics/logo.png
I'm not aware of a way to tell it to ignore a certain set of files. Of course, if the files you do want to commit are easily listed by the shell, you can use that:
$ svn ci -m "No longer sets ...
How do I provide custom cast support for my class?
...s that users of your class will need to do an explicit conversion:
byte[] foo = new byte[] { 1, 2, 3, 4, 5 };
// explicitly convert foo into an instance of MyClass...
MyClass bar = (MyClass)foo;
// explicitly convert bar into a new byte[] array...
byte[] baz = (byte[])bar;
Using implicit means th...
Bash Templating: How to build configuration files from templates with Bash?
...
Try envsubst
FOO=foo
BAR=bar
export FOO BAR
envsubst <<EOF
FOO is $FOO
BAR is $BAR
EOF
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How to use a dot “.” to access members of dictionary?
... +1 for simplicity. but doesn't seem to work on nested dicts. d = {'foo': {'bar': 'baz'}}; d = dotdict(d); d.foo.bar throws an attribute error, but d.foo work fine.
– tmthyjames
Jun 10 '16 at 22:28
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