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Else clause on Python while statement
...as an if/else construct with respect to the condition:
if condition:
handle_true()
else:
handle_false()
is analogous to the looping construct:
while condition:
handle_true()
else:
# condition is false now, handle and go on with the rest of the program
handle_false()
An exam...
Ruby 'require' error: cannot load such file
...
I just tried and it works with require "./tokenizer". Hope this helps.
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How can I remove all my changes in my SVN working directory?
I have an SVN working directory. I made some changes in that directory, and it shows in svn status . But is there any way for me to remove all my changes in there and just get everything from the trunk using the command line?
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Unzip files programmatically in .net
...many projects. I know it's a third party tool, but source code is included and could provide some insight if you chose to reinvent the wheel here.
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Clicking a button within a form causes page refresh
... refresh which triggers a 404. I’ve dropped a breakpoint in the function and it is triggering my function. If I do any of the following, it stops:
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Pointers, smart pointers or shared pointers? [duplicate]
...ting/copying/destructing a shared pointer needs to be an atomic operation, and this can hinder performance if you have many threads running. However, it won't always be the case - only testing will tell you for sure.
There is an argument (that I like) against shared pointers - by using them, you ar...
How to set DOM element as the first child?
I have element E and I'm appending some elements to it. All of a sudden, I find out that the next element should be the first child of E. What's the trick, how to do it? Method unshift doesn't work because E is an object, not array.
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Adding a column to an existing table in a Rails migration
...ontaining line:
add_column :users, email, string
Then do a rake db:migrate and it'll run the new migration, creating the new column.
If you have not yet run the original migration you can just edit it, like you're trying to do. Your migration code is almost perfect: you just need to remove the add_...
How to get “wc -l” to print just the number of lines without file name?
outputs number of lines and file name.
9 Answers
9
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What is the difference between a static and a non-static initialization code block
...static from the initializer block, it then becomes an instance initializer and so int a is initialized at construction.
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