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What's the canonical way to check for type in Python?
...e its .write() method!
Of course, sometimes these nice abstractions break down and isinstance(obj, cls) is what you need. But use sparingly.
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When should the volatile keyword be used in C#?
... volatile field. Volatile
fields are a sign that you are doing something downright crazy: you're
attempting to read and write the same value on two different threads
without putting a lock in place. Locks guarantee that memory read or
modified inside the lock is observed to be consistent, lo...
What is your most productive shortcut with Vim?
... the line containing the mark named 'a'."
If you only understand basic up, down, left, and right cursor movements then vi will be no more productive than a copy of "notepad" for you. (Okay, you'll still have syntax highlighting and the ability to handle files larger than a piddling ~45KB or so; but...
Cocoa Touch: How To Change UIView's Border Color And Thickness?
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I really don't like people being down voted without an explanation. It helps no-one.
– ICT1901
Mar 3 '18 at 17:14
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What does it mean to “program to an interface”?
...rly heady discussions, so I'd like to take the opportunity to break things down a bit for understanding why an interface is useful.
When I first started getting exposed to interfaces, I too was confused about their relevance. I didn't understand why you needed them. If we're using a language like...
How can I troubleshoot my Perl CGI script?
...e a Perl script that isn't working and I don't know how to start narrowing down the problem. What can I do?
8 Answers
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How can I safely create a nested directory?
...08, will mask a failure to create the directory. Don't feel bad for voting down - you don't like the answer. It's what votes are for.
– Blair Conrad
Nov 7 '08 at 20:35
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set gvim font in .vimrc file
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For Windows do the following:
Note down the font name and font size from the "Edit-Select Font..." menu of "gvim.exec".
Then do :e $MYGVIMRC
Search for "guifont" string and change it to
set guifont=<font name as noted>:h<font size>
Save the file...
Best practices: throwing exceptions from properties
...ou watch or inspect an object. An exception here can be confusing and slow down your debugging efforts. It's also undesirable to perform other expensive operations in properties (like accessing a database) for the same reasons.
Properties are often used in a chaining convention: obj.PropA.AnotherPro...
What to learn for making Java web applications in Java EE 6? [closed]
...on top of that.
The Java EE 5 tutorial is good at getting the foundations down, my major complaint is that they don't show you the source code. Rather they expect you to just download and run it. It's not discussed in the tutorial. I've found the Head First books to be pretty good.
For web program...