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How to turn NaN from parseInt into 0 for an empty string?
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@AutumnLeonard this is only kind of true. If your string starts with a 0 is assumes the number is in octal format so parseInt('077') gives you 63. This can lead to very nasty to find bugs so you should always specify the second parameter. see for example stackoverflow.com/questions...
/etc/apt/sources.list" E212: Can't open file for writing
...n of what that command does:
The :w means write the file. The bang means start interpreting as shell. chmod means change permissions, 777 means full permissions everywhere. The percent means the current file name.
It applies the change. And it ask if you want to re-load. Press "O" for "Ok"....
Getting the array length of a 2D array in Java
...he curly braces part is simply an Array Initializer, while the whole thing starting with new is an Array Creation Expression.
– ILMTitan
Oct 22 '10 at 20:30
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Calling a Java method with no name
...ch constructor of the class - this is incorrect. Let's say the constructor starts with super("x ");, the super constructor will execute before any initialization blocks.
– RokL
Dec 5 '12 at 11:47
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LAST_INSERT_ID() MySQL
...a row into 2 different tables and creates a reference to both tables too.
START TRANSACTION;
INSERT INTO accounttable(account_username)
VALUES('AnAccountName');
INSERT INTO profiletable(profile_account_id)
VALUES ((SELECT account_id FROM accounttable WHERE account_username='AnAccountName'...
Error:(1, 0) Plugin with id 'com.android.application' not found
...ploy Android Studio like this.. This error is the first thing you see when starting a new project. I mean, what were they thinking!?
– BdR
Mar 27 '15 at 14:04
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Why historically do people use 255 not 256 for database field magnitudes?
... to store zero in the length. So you can allow 256 distinct length values, starting at zero: 0-255.
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How to calculate cumulative normal distribution?
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Starting Python 3.8, the standard library provides the NormalDist object as part of the statistics module.
It can be used to get the cumulative distribution function (cdf - probability that a random sample X will be less tha...
How do I import a specific version of a package using go get?
...sh answer.
Update 19-01-01: From Go 1.12 mod is still official experiment.
Starting in Go 1.13, module mode will be the default for all development.
Update 19-10-17: From Go 1.13 mod is official package manager.
https://blog.golang.org/using-go-modules
Old answer:
You can set version by offical...
What are the ways to make an html link open a folder
...link to a php file and run:
shell_exec('cd C:\path\to\file');
shell_exec('start .');
This opens a local Windows explorer window.
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