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Javascript parseInt() with leading zeros
...aScript treat strings starting with 0 as octal (when no base is specified) and neither 08 nor 09 are valid octal numbers.
From the Mozilla documentation:
If radix is undefined or 0, JavaScript assumes the following:
If the input string begins with "0x" or "0X", radix is 16
(hexadecim...
RSpec vs Cucumber (RSpec stories) [closed]
When should I use specs for Rails application and when Cucumber (former rspec-stories)? I know how both work and actively use specs, of course. But it still feels weird to use Cucumber. My current view on this, is that it's convenient to use Cucumber when you're implementing application for the clie...
How to enable assembly bind failure logging (Fusion) in .NET
...C:\FusionLog\)
Make sure you include the backslash after the folder name and that the Folder exists.
You need to restart the program that you're running to force it to read those registry settings.
By the way, don't forget to turn off fusion logging when not needed.
...
When to use a “has_many :through” relation in Rails?
I am trying to understand what has_many :through is and when to use it (and how). However, I am not getting it. I am reading Beginning Rails 3 and I tried Googling, but I am not able to understand.
...
How to determine an object's class?
If class B and class C extend class A and I have an object of type B or C , how can I determine of which type it is an instance?
...
Convert hex string to int in Python
...
x = int("deadbeef", 16)
With the 0x prefix, Python can distinguish hex and decimal automatically.
>>> print int("0xdeadbeef", 0)
3735928559
>>> print int("10", 0)
10
(You must specify 0 as the base in order to invoke this prefix-guessing behavior; omitting the second paramet...
'const string' vs. 'static readonly string' in C#
...e a const value in a different assembly, then update the original assembly and change the value, the other assembly won't see the change until you re-compile it.
A static readonly string is a normal field that gets looked up at runtime. Therefore, if the field's value is changed in a different ass...
textarea - disable resize on x or y?
...
Sure it is possible with css and jquery
CSS:
resize: vertical;
resize: horizontal;
jQuery
$('textarea').css("resize", "vertical");
$('textarea').css("resize", "horizontal");
Bootstrap
just put the class in Textarea
for the vertical resize: vresi...
How to write trycatch in R
...t wrapped insided a function (unlike that
# for the condition handlers for warnings and error below)
},
error=function(cond) {
message(paste("URL does not seem to exist:", url))
message("Here's the original error message:")
message(cond...
What is a servicebus and when do I need one?
...
You can think of a service bus as the Ethernet of SOA.
First and foremost, it introduces a language of identifying things, like an IP address in Ethernet. This name isn't something inherently physical.
Next, you have something physical involved on each node, like a queue in the case o...