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Casting vs using the 'as' keyword in the CLR
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The answer below the line was written in 2008.
C# 7 introduced pattern matching, which has largely replaced the as operator, as you can now write:
if (randomObject is TargetType tt)
{
// Use tt here
}
Note that tt is still in scope after this, but n...
Finding the max/min value in an array of primitives using Java
It's trivial to write a function to determine the min/max value in an array, such as:
15 Answers
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How should I store GUID in MySQL tables?
Do I use varchar(36) or are there any better ways to do it?
10 Answers
10
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What is the EAFP principle in Python?
...y the presence of many try and except statements. The technique contrasts with the LBYL style common to many other languages such as C.
An example would be an attempt to access a dictionary key.
EAFP:
try:
x = my_dict["key"]
except KeyError:
# handle missing key
LBYL:
if "key" in my_d...
How to automatically crop and center an image
Given any arbitrary image, I want to crop a square from the center of the image and display it within a given square.
7 Ans...
“No backupset selected to be restored” SQL Server 2012
I have a SQL Server 2012 database with filestream enabled. However, when I backup it and try to restore it on another SQL Server 2012 instance (on another machine), I simply get this message that:
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Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
I have a computer with 1 MB of RAM and no other local storage. I must use it to accept 1 million 8-digit decimal numbers over a TCP connection, sort them, and then send the sorted list out over another TCP connection.
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How do I create a category in Xcode 6 or higher?
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They didn't forget. They just moved it without telling anyone.
Click File -> New -> File
Select Objective-C file under Sources in iOS or Mac OS respectively and Click Next
Now under File Type: choose either Category, Protocol, or Extension
PS. Under F...
Populate a Razor Section From a Partial
...t Javascript that is only required by a partial at the bottom of the page with the rest of the Javascript and not in the middle of the page where the partial is rendered.
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this.setState isn't merging states as I would expect
...n to the existing selected part of the state by creating a shallow copy of it.
Another solution would be to write setStateRecursively() which does recursive merge on a new state and then calls replaceState() with it:
setStateRecursively: function(stateUpdate, callback) {
var newState = mergeStat...