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What is the “assert” function?
...// GOOD
assert(x);
x++;
// Watch out! Depends on the function:
assert(foo());
// Here's a safer way:
int ret = foo();
assert(ret);
From the combination of the program calling abort() and not being guaranteed to do anything, asserts should only be used to test things that the developer has as...
Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
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EXEC('SELECT * FROM FOO WHERE ID=?', 123) will replace the parameter placeholder "?" with the value 123 and then execute the query, returning a result for SELECT * FROM FOO WHERE ID=123
– Peter Wone
Jun 1 '...
What does 'wb' mean in this code, using Python?
... Concretely, in Windows for a file opened in text mode, fd.write("foo\n") actually writes on disk foo\r\n (note the \r).
– Serge Ballesta
Aug 21 '14 at 5:48
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Step-by-step debugging with IPython
... ipdb command takes precedence over python code. So in order to write list(foo) you'd need print list(foo).
Also, if you like the ipython prompt (its emacs and vim modes, history, completions,…) it's easy to get the same for your project since it's based on the python prompt toolkit.
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Disable scrolling in webview?
Until now I have been an iPhone developer only and now I have decided to give Android a whirl. Something I haven't been able to figure out on Android is how to programmatically prevent scrolling in a WebView ?
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Eclipse will not start and I haven't changed anything
I haven't updated anything for at least a month. I was just working normally and suddenly the menus were all blank, so I decided to restart eclipse. I clicked "close" and "ok" to save everything, but nothing happened, so I clicked close again and eclipse closed. I clicked on eclipse and the loading...
Can you use an alias in the WHERE clause in mysql?
.... sum(reviews.rev_rating)/count(reviews.rev_id) as avg_rating
from ...) Foo
where Foo.avg_rating ...
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What does 'synchronized' mean?
... that are reading and writing to the same 'resource', say a variable named foo, you need to ensure that these threads access the variable in an atomic way. Without the synchronized keyword, your thread 1 may not see the change thread 2 made to foo, or worse, it may only be half changed. This would...
Why can't I see the “Report Data” window when creating reports?
I'm creating RDLC reports in VS10. When the program is NOT running, I can see the toolbox, and add controls to the report, but the "Report Data" pane is nowhere to be found, so I can't fill the controls on my report. However, if I run the solution, the "Report Data" pane appears, and I can drag fi...
Javascript Functions and default parameters, not working in IE and Chrome
...ds on your situation. If you know the argument won't be falsey, you can do foo = foo || "the default". Or you can check the .length of the arguments object. Or you can simply test each parameter for undefined. There are different occasions to use each.
– the system
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