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return statement vs exit() in main()
...tructor will be called for my locally scoped objects! Re-read that. exit() does not return. That means that once I call it, there are "no backsies." Any objects that you've created in that function will not be destroyed. Often this has no implications, but sometimes it does, like closing files (sure...
Reference - What does this error mean in PHP?
...ks if you had code that was automatically constructed)
Also make sure you don't have any Byte Order Marks in your code, for example when the encoding of the script is UTF-8 with BOM.
Related Questions:
Headers already sent by PHP
All PHP "Headers already sent" Questions on Stackoverflow
Byte Ord...
Generate random numbers with a given (numerical) distribution
...ou can then use the rvs() method of the distribution object to generate random numbers.
As pointed out by Eugene Pakhomov in the comments, you can also pass a p keyword parameter to numpy.random.choice(), e.g.
numpy.random.choice(numpy.arange(1, 7), p=[0.1, 0.05, 0.05, 0.2, 0.4, 0.2])
If you are...
What is the difference between syntax and semantics in programming languages?
...the structure or the grammar of the language. It answers the question: how do I construct a valid sentence? All languages, even English and other human (aka "natural") languages have grammars, that is, rules that define whether or not the sentence is properly constructed.
Here are some C language s...
How to see top processes sorted by actual memory usage?
...ust how much memory should really be blamed on each individual process. It does some clever work to figure out what is really unique, what is shared, and proportionally tallies the shared memory to the processes sharing it. smem may help you understand where your memory is going better than top will...
How to capture no file for fs.readFileSync()?
...g at its prototype chain:
if (err instanceof Error)
is the best you can do, and this will be true for most (if not all) errors. Hence I'd suggest you go with the code property and check its value:
if (err.code === 'ENOENT') {
console.log('File not found!');
} else {
throw err;
}
This way, ...
How to strip leading “./” in unix “find”?
... may not evaluate to "hidden" files/directories -- those which begins with dot (.) Try to run this command in your home dir, then just "find -type f" and see the difference.
– Ilia K.
Apr 8 '10 at 0:01
...
What is the pythonic way to avoid default parameters that are empty lists?
...king_list = []
working_list.append("a")
print(working_list)
The docs say you should use None as the default and explicitly test for it in the body of the function.
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Numpy: find first index of value fast
... interested in the following answers because they scan the whole array and don't stop when they find the first occurrence:
...
iOS: how to perform a HTTP POST request?
...a separate thread to avoid blocking the UI.
Asynchronously: (void)start
Don't forget to set your NSURLConnection's delegate to handle the connection as follows:
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
[self.data setLength:0];
}
- (void...