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Get element inside element by class and ID - JavaScript
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@Ӫ_._Ӫ ... lol...your correct but you just prove my answer even more. You cannot rely on getElementsByClassName if your page needs to function across multiple browsers. jQuery would definately be an option but so whould the ...
Best way to parse RSS/Atom feeds with PHP [closed]
...e RSS experience and needs a better parser.
– duality_
Jul 30 '11 at 13:49
3
In case somebody nee...
IntelliJ IDEA JDK configuration on Mac OS
...hich java in terminal, it prints /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/bin/java and then use Home dir path to input in IntelliJ idea dialog, like this /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home
– Maxim Yefremov
May...
What is a callback function?
...ant is to be able to call factorial in the following way:
factorial(really_big_number, what_to_do_with_the_result)
The second parameter, what_to_do_with_the_result, is a function you send along to factorial, in the hope that factorial will call it on its result before returning.
Yes, this means...
Display block without 100% width
...er. inline-block et al was breaking my layout.
– i336_
Sep 28 '19 at 2:32
1
@i336_ As of today it...
Label encoding across multiple columns in scikit-learn
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You can easily do this though,
df.apply(LabelEncoder().fit_transform)
EDIT2:
In scikit-learn 0.20, the recommended way is
OneHotEncoder().fit_transform(df)
as the OneHotEncoder now supports string input.
Applying OneHotEncoder only to certain columns is possible with the Colum...
Deleting rows with MySQL LEFT JOIN
...g "table as", then specify it to delete.
In the example i delete all table_1 rows which are do not exists in table_2.
DELETE t1 FROM `table_1` t1 LEFT JOIN `table_2` t2 ON t1.`id` = t2.`id` WHERE t2.`id` IS NULL
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PHP mail function doesn't complete sending of e-mail
...les (or in a master configuration file) will enable error reporting.
error_reporting(-1);
ini_set('display_errors', 'On');
set_error_handler("var_dump");
See How can I get useful error messages in PHP? — this answer for more details on this.
Make sure the mail() function is called
It may seem...
How do I check if a variable exists?
...ar exists.
To check if an object has an attribute:
if hasattr(obj, 'attr_name'):
# obj.attr_name exists.
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LINQ - Full Outer Join
...roper Expression<Func<>>. I supposed I could replace them with _, __, ___ instead, but that doesn't seem any clearer until C# has a proper parameter wildcard to use instead.
– NetMage
Jul 7 '17 at 23:23
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