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Reload the path in PowerShell
...d I install something that modifies the PATH or I modify it in any way outside of PowerShell then I need to restart PowerShell for it to see the updated PATH variable.
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Rails: how do I validate that something is a boolean?
Does rails have a validator like validates_numericality_of for boolean or do I need to roll my own?
5 Answers
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How do you manually execute SQL commands in Ruby On Rails using NuoDB
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Dynamically change color to lighter or darker by percentage CSS (Javascript)
...er color. Obviously I can just do simply by the hex code adding in the CSS file, but our site lets user decide what colors they want for their customized profile/site (like Twitter).
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When to use Spring Integration vs. Camel?
...e for our requirement Camel won. We use it mainly to transfer internal datafiles to/from external parties which usually requires format conversions sending it using ftp/sftp/... or attaching it to an email and sending it out.
We found the edit-compile-debug cycle reduced. Using groovy to experiment...
Using NSPredicate to filter an NSArray based on NSDictionary keys
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I thought thats what it said, too. Apparently the quotes aren't needed. I'm not sure exactly what the guide is saying quotes "should" be used for.
– Corey Floyd
Jun 6 '09 at 0:20
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What is a clean, pythonic way to have multiple constructors in Python?
...do not share code.
Example:
class MyClass(set):
def __init__(self, filename):
self._value = load_from_file(filename)
@classmethod
def from_somewhere(cls, somename):
obj = cls.__new__(cls) # Does not call __init__
super(MyClass, obj).__init__() # Don't forge...
Virtualizing an ItemsControl?
... answered May 6 '10 at 20:25
DavidNDavidN
4,83922 gold badges1717 silver badges1515 bronze badges
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AngularJS toggle class using ng-class
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The second example is cleaner, but it's ridiculous that you can't put the variable you're evaluating at the front of the expression... it just reads funny. Imagine looking at the expression as an if statement: "if (variable) true: do this, false: do that... ugh #ful...
How to initialize all members of an array to the same value?
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And that syntax causes a huge increase in the file size of compiled binaries. For N = 65536 (instead of 1024), my binary jumps from 15 KB to 270 KB in size!!
– Cetin Sert
Mar 28 '13 at 15:15
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