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How do I properly compare strings in C?
... '\n' in the buffers also; gets() does not. If you compared the user input from fgets() to a string literal such as "abc" it would never match (unless the buffer was too small so that the '\n' wouldn't fit in it).
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How do I make the method return type generic?
...iler warnings. Of course this is really just an updated version of casting from the pre-generic days and doesn't add any additional safety.
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fol...
Stopping python using ctrl+c
... the python exception hierarchy and only catch exceptions that are derived from Exception.
#This is the wrong way to do things
try:
#Some stuff might raise an IO exception
except:
#Code that ignores errors
#This is the right way to do things
try:
#Some stuff might raise an IO exception
excep...
Mapping a function on the values of a map in Clojure
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Taken from the Clojure Cookbook, there is reduce-kv:
(defn map-kv [m f]
(reduce-kv #(assoc %1 %2 (f %3)) {} m))
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impro...
Enum ToString with user friendly strings
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I use the Description attribute from the System.ComponentModel namespace. Simply decorate the enum:
private enum PublishStatusValue
{
[Description("Not Completed")]
NotCompleted,
Completed,
Error
};
Then use this code to retrieve it:
pub...
Is it possible to use 'else' in a list comprehension? [duplicate]
...e if cond else false-value as the statement instead, and remove the filter from the end:
table = ''.join(chr(index) if index in ords_to_keep else replace_with for index in xrange(15))
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How do I auto-hide placeholder text upon focus using css or jquery?
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This makes it go but when I click away from the field it remains blank.
– LondonGuy
Mar 14 '12 at 17:41
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How to get a random number in Ruby
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Use rand(range)
From Ruby Random Numbers:
If you needed a random integer to simulate a roll of a six-sided die, you'd use: 1 + rand(6). A roll in craps could be simulated with 2 + rand(6) + rand(6).
Finally, if you just need a rando...
D3.js: what is 'g' in .append(“g”) D3.js code?
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I came here from a d3 learning curve as well. As already pointed out this is not specific to d3, it is specific to svg attributes. Here is a really good tutorial explaining the advantages of svg:g (grouping).
It is not that different f...
What is the difference between the different methods of putting JavaScript code in an ?
...l just say that I much prefer this style because it separates your content from your JavaScript code. It keeps all the JavaScript code together, which is much easier to maintain (especially if you are applying this to many links), and you can even put it in an external file which can then be packed ...