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Most efficient way to store thousand telephone numbers
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Additional space can be saved by observing that none of our numbers can start with e.g. 1111111(binary), because the lowest number that starts with that is 130048 and we have only five decimal digits. This allows us to shave a few entries off the first block of memory: instead of 2^m - 1 counts, ...
How to disable HTML links
... well supported only by Chrome, FireFox and Opera (19+). Internet Explorer started to support this from version 11 but not for links however it's available in an outer element like:
span.disable-links {
pointer-events: none;
}
With:
<span class="disable-links"><a href="#">...<...
Create Generic method constraining T to an Enum
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What I'd really like to know is why the C# team hasn't started allowing this yet, since it is already supported by MSIL.
– MgSam
Sep 19 '12 at 0:30
25
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What are WSGI and CGI in plain English?
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WSGI runs the Python interpreter on web server start, either as part of the web server process (embedded mode) or as a separate process (daemon mode), and loads the script into it. Each request results in a specific function in the script being called, with the request en...
Why should casting be avoided? [closed]
...) a fourth answer.
Since it's the one you didn't mention explicitly, I'll start with C. C casts have a number of problems. One is that they can do any of a number of different things. In some cases, the cast does nothing more than tell the compiler (in essence): "shut up, I know what I'm doing" -- ...
How do I iterate over an NSArray?
...oNSArray:(id)sender {
NSLog(@"doNSArray: %@", sender);
uint64_t startTime = mach_absolute_time();
float total = 0;
for(int i=0; i<numberOfItems; i++) {
total += [[nsArray objectAtIndex:i] floatValue];
}
[self displayResult:mach_absolute_time() - startTime];...
How to iterate over rows in a DataFrame in Pandas
..., and that it is worth investing time in exploring them. I'm not trying to start a war of iteration vs. vectorization, but I want new users to be informed when developing solutions to their problems with this library.
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What is NODE_ENV and how to use it in Express?
...er all other method handlers!
If you set NODE_ENV to production before you start your server, and then send a GET /error request to it, you should not see the text Forcing an error! in the console, and the response should not contain a stack trace in the HTML body (which origins from Express).
If, i...
What is the purpose of the EBP frame pointer register?
...s. And of course 64-bit ABIs have allowed frame-pointer omission from the start.
– Peter Cordes
Oct 4 '19 at 11:07
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What are the best practices for JavaScript error handling?
I'm looking to start making my JavaScript a bit more error proof, and I'm finding plenty of documentation on using try , catch , finally , and throw , but I'm not finding a ton of advice from experts on when and where to throw errors.
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