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Mechanisms for tracking DB schema changes [closed]
...t migrations and have implemented their own language-specific versions. I know of Ruckusing, a PHP migrations system that is modelled after Rails' migrations; it might be what you're looking for.
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event Action vs event EventHandler
... facing interface is the familiar += and -= operators we have all come to know and love : )
You can customize the code for the add/remove handlers by changing the scope of the FireNiceEvent delegate to protected. This now allows developers to add custom hooks to the hooks, such as logging or securi...
How can I pair socks from a pile efficiently?
...ce comparison is not required.
Case 3: The number of combinations is not known in advance (general case).
We have to do comparison to check whether two socks come in pair. Pick one of the O(n log n) comparison-based sorting algorithms.
However in real life when the number of socks is relatively s...
Trim string in JavaScript?
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I know this question has been asked three years back.Now,String.trim() was added natively in JavaScript.For an instance, you can trim directly as following,
document.getElementById("id").value.trim();
...
clear javascript console in Google Chrome
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Update: As of November 6, 2012, console.clear() is now available in Chrome Canary.
If you type clear() into the console it clears it.
I don't think there is a way to programmatically do it, as it could be misused. (console is cleared by some web page, end user can't acce...
JavaScript hashmap equivalent
...regular JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some unique object-dependent key
return obj.totallyUniqueEmployeeIdKey; // Just an example
};
var dict = {};
dict[key(obj1)] = o...
How far can memory leaks go?
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@Marko : Recent version of vxWorks now support RTPs (real time processes) which support memory protection.
– Xavier T.
Mar 18 '13 at 8:37
21...
Which is more preferable to use: lambda functions or nested functions ('def')?
...lt;lambda>'
Lambdas are anonymous functions, after all, so they don't know their own name.
>>> l.__name__
'<lambda>'
>>> foo.__name__
'foo'
Thus lambda's can't be looked up programmatically in their namespace.
This limits certain things. For example, foo can be looked...
How to find largest objects in a SQL Server database?
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Excellent, thank you! Now, that I've narrowed down my largest object to a table containing a lot of binary data, anyway to figure out which of the rows of binary data are the largest?
– jamesaharvey
Jan 19 '1...
What is a Portable Class Library?
... run on a variety of .NET-based platforms without recompilation.
MSDN now has a nice article/documentation on it. You can check it out and see what is supported in Portable Class Library .
The following assemblies are available within a Portable Class Library project:
mscorlib.dl...