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@Html.HiddenFor does not work on Lists in ASP.NET MVC
... contains a List as a property. I'm populating this list with items i grab from SQL Server. I want the List to be hidden in the view and passed to the POST action. Later on i may want to add more items to this List with jQuery which makes an array unsuitable for expansion later on. Normally you woul...
What is the significance of ProjectTypeGuids tag in the visual studio project file
...
From MZ-Tools: List of known project type Guids:
Every Visual Studio project has a project type (Windows project, Smart Device project, Web Site project, etc.) and in some cases more than one type (subtypes or flavors).
Eve...
How to determine if a record is just created or updated in after_save
...ay to determine whether the record is a newly created record or an old one from update?
8 Answers
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What is the best way to clone/deep copy a .NET generic Dictionary?
...: That depends on what else is going on. If other threads are only reading from the original dictionary, then I believe it should be fine. If anything is modifying it, you'll need to lock in both that thread and the cloning thread, to avoid them happening at the same time. If you want thread safety ...
Finding Variable Type in JavaScript
...isArray or Object.prototype.toString.call to differentiate regular objects from arrays
typeof new Date() === 'object';
typeof new Boolean(true) === 'object'; // this is confusing. Don't use!
typeof new Number(1) === 'object'; // this is confusing. Don't use!
typeof new String("abc") === '...
How to get current timestamp in milliseconds since 1970 just the way Java gets
... pretty similar to Oz.'s, using <chrono> for C++ -- I didn't grab it from Oz. though...
I picked up the original snippet at the bottom of this page, and slightly modified it to be a complete console app. I love using this lil' ol' thing. It's fantastic if you do a lot of scripting and need a ...
Checking Bash exit status of several commands efficiently
...that I use extensively on my Red Hat system. They use the system functions from /etc/init.d/functions to print green [ OK ] and red [FAILED] status indicators.
You can optionally set the $LOG_STEPS variable to a log file name if you want to log which commands fail.
Usage
step "Installing XFS fi...
Splitting a list into N parts of approximately equal length
...her than chunks of n:
def chunks(l, n):
""" Yield n successive chunks from l.
"""
newn = int(len(l) / n)
for i in xrange(0, n-1):
yield l[i*newn:i*newn+newn]
yield l[n*newn-newn:]
l = range(56)
three_chunks = chunks (l, 3)
print three_chunks.next()
print three_chunks.ne...
How to convert string to boolean php
...lean true unless they have a value that's considered "empty" by PHP (taken from the documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that value.
$test...
Max length UITextField
...count <= 10
}
The most important part of this code is the conversion from range (NSRange) to rangeOfTextToReplace (Range<String.Index>). See this video tutorial to understand why this conversion is important.
To make this code work properly, you should also set the textField's smartInser...