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Why am I getting a “401 Unauthorized” error in Maven?
Why am I getting a "401 Unauthorized" error in Maven?
21 Answers
21
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Bomb dropping algorithm
I have an n x m matrix consisting of non-negative integers. For example:
32 Answers
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Are Java static initializers thread safe?
... to initialize some controllers in a registry I have. My question is therefore, can I guarantee that this static code block will only absolutely be called once when the class is first loaded? I understand I cannot guarantee when this code block will be called, I'm guessing its when the Classloader f...
Can you do greater than comparison on a date in a Rails 3 search?
...er.id, :notetype => p[:note_type]).
where("date > ?", p[:date]).
order('date ASC, created_at ASC')
or you can also convert everything into the SQL notation
Note.
where("user_id = ? AND notetype = ? AND date > ?", current_user.id, p[:note_type], p[:date]).
order('date ASC, created...
Calling a base class's classmethod in Python
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If you're using a new-style class (i.e. derives from object in Python 2, or always in Python 3), you can do it with super() like this:
super(Derived, cls).do(a)
This is how you would invoke the code in the base class's version of the method (i.e. print cls, a), from the derived class, with cls ...
How to read file contents into a variable in a batch file?
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Read file contents into a variable:
for /f "delims=" %%x in (version.txt) do set Build=%%x
or
set /p Build=<version.txt
Both will act the same with only a single line in the file, for more lines the for variant will put the last line into the variable, w...
Haskell export current module with additional imported module
Is it possible to write a module in Haskell, which re-exports a module in addition to exporting everything visible inside?
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How to use MySQL DECIMAL?
...in a number anywhere from 00.0001 to 99.9999. How would I structure it to work like so?
4 Answers
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How to do a scatter plot with empty circles in Python?
...les be plotted? The goal is to draw empty circles around some of the colored disks already plotted by scatter() , so as to highlight them, ideally without having to redraw the colored circles.
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GET URL parameter in PHP
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$_GET is not a function or language construct—it's just a variable (an array). Try:
<?php
echo $_GET['link'];
In particular, it's a superglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from ...