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Create array of regex matches
...le("your regex here")
.matcher("string to search from here")
.results()
.map(MatchResult::group)
.toArray(String[]::new);
// or .collect(Collectors.toList())
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How do I use reflection to call a generic method?
...stead of the reflection API.
To use this technique the type must be known from the actual object (not just an instance of the Type class). Otherwise, you have to create an object of that type or use the standard reflection API solution. You can create an object by using the Activator.CreateInstance...
The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
When I attempt to connect to a MySQL server from PHP, I see the following error:
1 Answer
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What are the barriers to understanding pointers and what can be done to overcome them? [closed]
...he same house, not two separate houses. Any attempts to follow the address from one paper and rearrange the furniture at that house will make it seem that the other house has been modified in the same manner, unless you can explicitly detect that it's actually just one house.
Note This is usually t...
Image.Save(..) throws a GDI+ exception because the memory stream is closed
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A generic error occurred in GDI+.
May also result from incorrect save path!
Took me half a day to notice that.
So make sure that you have double checked the path to save the image as well.
share
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When to use “ON UPDATE CASCADE”
...Zed made a good point, that if you use a natural key (e.g. a regular field from your database table) as your primary key, then there might be certain situations where you need to update your primary keys. Another recent example would be the ISBN (International Standard Book Numbers) which changed fr...
What does if __name__ == “__main__”: do?
...riants), and prior to executing that module, it will assign the name "foo" from the import statement to the __name__ variable, i.e.
# It's as if the interpreter inserts this at the top
# of your module when it's imported from another module.
__name__ = "foo"
Executing the Module's Code
After the sp...
Visual Studio “Could not copy” … during build
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From my experience, VS2013 does this at least 10 times a day for me no matter what machine I am developing on. It's like the bug has gotten worse. Just sayin'
– A.R.
May 7 '15 at 21:16...
How do I change the cursor between Normal and Insert modes in Vim?
...
A popular option to indicate switching to and from Insert mode is
toggling the cursorline option, which is responsible for whether
the current screen line is highlighted (see :help cursorline):
:autocmd InsertEnter,InsertLeave * set cul!
or, alternatively:
:autocmd Inse...
C# 3.0 auto-properties — useful or not? [closed]
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@wal - what's there to debug? From that point of view you're basically dealing with member variables.
– Keith
Oct 26 '10 at 11:17
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