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How to find duplicates in 2 columns not 1
I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value.
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What can I do with a moved-from object?
... I can do with an object once it has been moved from? I used to think that all you can do with a moved-from object is do destruct it, but that would not be sufficient.
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Initializing C# auto-properties [duplicate]
...tring Bar { get; set; } = "bar";
}
You can also write read-only automatically-implemented properties, which are only writable in the constructor (but can also be given a default initial value:
public class Foo
{
public string Bar { get; }
public Foo(string bar)
{
Bar = bar;
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jQuery event for images loaded
Is it possible to detect when all images are loaded via a jQuery event?
14 Answers
14
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What is so bad about singletons? [closed]
...haned by the developer world. I still use quite a lot of singletons, especially for factory classes , and while you have to be a bit careful about multithreading issues (like any class actually), I fail to see why they are so awful.
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Using StringWriter for XML Serialization
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<TL;DR> The problem is rather simple, actually: you are not matching the declared encoding (in the XML declaration) with the datatype of the input parameter. If you manually added <?xml version="1.0" encoding="utf-8"?><test/> to the string, then declaring...
How to sort a list of strings?
What is the best way of creating an alphabetically sorted list in Python?
11 Answers
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Removing multiple files from a Git repo that have already been deleted from disk
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For Git 1.x
$ git add -u
This tells git to automatically stage tracked files -- including deleting the previously tracked files.
For Git 2.0
To stage your whole working tree:
$ git add -u :/
To stage just the current path:
$ git add -u .
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Enable IIS7 gzip
... IIS7 to gzip static files like js and css and how can I test if IIS7 is really gziping them before sending to the client?
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Android device does not show up in adb list [closed]
... going from MTP to "charging" wasn't enough for me, I had to go all the way and say "PTP" for the connection.
– Emmanuel Touzery
Sep 18 '15 at 12:58
6
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