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How to add two strings as if they were numbers? [duplicate]
...ould use the unary plus operator to convert them to numbers first.
+num1 + +num2;
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How to iterate over the files of a certain directory, in Java? [duplicate]
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184
If you have the directory name in myDirectoryPath,
import java.io.File;
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File dir = new ...
What's the difference between using CGFloat and float?
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195
As @weichsel stated, CGFloat is just a typedef for either float or double. You can see for you...
Understanding $.proxy() in jQuery
...n "this" is not our element!
$(this).addClass('aNewClass');
}, 1000);
});
So what we can do instead, is to call $.proxy(), sending it the function and the value we want to assign to this, and it will return a function that will retain that value.
$('#myElement').click(function() {
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How can we print line numbers to the log in java
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102
From Angsuman Chakraborty:
/** Get the current line number.
* @return int - Current line num...
Firefox Add-on RESTclient - How to input POST parameters?
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edited Nov 5 '17 at 13:40
shA.t
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How can I print literal curly-brace characters in python string and also use .format on it?
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16 Answers
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tomcat - CATALINA_BASE and CATALINA_HOME variables
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107
If you are running multiple instances of Tomcat on a single host you should set CATALINA_BASE ...
sometimes my file just freezes in my vi |vim, what happened?
...Ctrl-S from freezing your screen, but it's not working on my local Solaris 10 login.
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Flask-SQLAlchemy how to delete all rows in a single table
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137
Try delete:
models.User.query.delete()
From the docs: Returns the number of rows deleted, e...