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How to get ID of the last updated row in MySQL?
...value', id = (SELECT @update_id := id)
WHERE some_other_column = 'blah' LIMIT 1;
SELECT @update_id;
EDIT by aefxx
This technique can be further expanded to retrieve the ID of every row affected by an update statement:
SET @uids := null;
UPDATE footable
SET foo = 'bar'
WHERE fooid > 5
...
How do I convert a String to an int in Java?
..., you can use an Ints method from the Guava library, which in combination with Java 8's Optional, makes for a powerful and concise way to convert a string into an int:
import com.google.common.primitives.Ints;
int foo = Optional.ofNullable(myString)
.map(Ints::tryParse)
.orElse(0)
...
Origin is not allowed by Access-Control-Allow-Origin
...trol-Allow-Origin * setting in the Apache configuration or htaccess file.
It should be noted that this effectively disables CORS protection, which very likely exposes your users to attack. If you don't know that you specifically need to use a wildcard, you should not use it, and instead you should ...
How to import a single table in to mysql database using command line
... using command line, but now my pain area is how to import a single table with its data to the existing database using command line.
...
What is “thread local storage” in Python, and why do I need it?
...ared, except for function-local variables (because each function call gets its own set of locals, and threads are always separate function calls.) And even then, only the variables themselves (the names that refer to objects) are local to the function; objects themselves are always global, and anyth...
What events does an fire when it's value is changed?
...ws what events an HTML5 <input type="number" /> element fires when its up / down arrows are clicked:
5 Answers
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How should I validate an e-mail address?
...e an e-mail to just send a confirmation e-mail to the address provided and it it bounces then it's not valid.
If you want to perform some basic checks you could just check that it's in the form *@*
If you have some business logic specific validation then you could perform that using a regex, e.g. ...
How to search for a string in text files?
I want to check if a string is in a text file. If it is, do X. If it's not, do Y. However, this code always returns True for some reason. Can anyone see what is wrong?
...
How can I rename a project folder from within Visual Studio?
...
TFS users: If you are using source control that requires you to warn it before your rename files/folders then look at this answer instead which covers the extra steps required.
To rename a project's folder, file (.*proj) and display name in Visual Studio:
Close the solution.
Rename the f...
How to update bower.json with installed packages?
In my project I've installed bower components without save option. Now, I would like update to bower.json ?
6 Answers
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