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How to find duplicates in 2 columns not 1
...duplicate records and the IGNORE deletes the existing duplicates.
You can read more about eh ALTER IGNORE here: http://mediakey.dk/~cc/mysql-remove-duplicate-entries/
Update: I was informed by @Inquisitive that this may fail in versions of MySql> 5.5 :
It fails On MySQL > 5.5 and on Inno...
How can I split a string with a string delimiter? [duplicate]
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Read C# Split String Examples - Dot Net Pearls and the solution can be something like:
var results = yourString.Split(new string[] { "is Marco and" }, StringSplitOptions.None);
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Spring .properties file: get element as an Array
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+1, just what I needed. Unfortunately reading comma-separated values into a List<String> in the same fashion doesn't seem to work (the list will have just one element).
– Jonik
May 29 '13 at 8:36
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Calculate size of Object in Java [duplicate]
... linked has a great example, which I'll repost here, but you should have already looked at from his comment:
import java.lang.instrument.Instrumentation;
public class ObjectSizeFetcher {
private static Instrumentation instrumentation;
public static void premain(String args, Instrumentation...
Python threading.timer - repeat function every 'n' seconds
...rt and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer.
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Calculate text width with JavaScript
...ttributes that you are trying to measure, put your string in the DIV, then read the current width and height of the DIV. It will stretch to fit the contents and the size will be within a few pixels of the string rendered size.
var fontSize = 12;
var test = document.getElementById("Test");
tes...
How do you cast a List of supertypes to a List of subtypes?
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Is that actually casting the list? Because it reads more like series of operations to iterate over the whole list, casting each element, and then adding them to a newly instantiated list of the desired type. Put another way, couldn't you do exactly this with Java7- with ...
What is a handle in C++?
...d in the winnt.h file in Visual Studio (Windows):
typedef void *HANDLE;
Read more about HANDLE
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How to RSYNC a single file?
...var/www/public_html/filename root@<remote-ip>:/var/www/public_html
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How to change the default collation of a table?
...ch Remer Mar 28 '18 at 23:41
and
That seems quite important, glad I read the comments and thanks @RichRemer . Nikki , I think you should edit that in your answer considering how many views this gets. See here https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8.html and here What is t...