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Is it good practice to make the constructor throw an exception? [duplicate]
...nstructors will throw FileNotFoundException if you try to open a file that does not exist. Assuming that it is reasonable for FileNotFoundException to be a checked exception3, then the constructor is the most appropriate place for that exception to be thrown. If we threw the FileNotFoundException ...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...zen threads (this is also what Raymond Chen suggests on the MSDN blog post Does Windows have a limit of 2000 threads per process?).
On Windows using unbuffered file I/O means that writes must be of a size which is a multiple of the page size. I have not tested it, but it sounds like this could also...
How do I use valgrind to find memory leaks?
...ral advice for memory leaks:
Make sure your dynamically allocated memory does in fact get freed.
Don't allocate memory and forget to assign the pointer.
Don't overwrite a pointer with a new one unless the old memory is freed.
General advice for memory errors:
Access and write to addresses and i...
How to select lines between two marker patterns which may occur multiple times with awk/sed
...c/{flag=1;next}/mno/{flag=0}flag' file
def1
ghi1
jkl1
def2
ghi2
jkl2
How does this work?
/abc/ matches lines having this text, as well as /mno/ does.
/abc/{flag=1;next} sets the flag when the text abc is found. Then, it skips the line.
/mno/{flag=0} unsets the flag when the text mno is found...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
...I need to use begin and end blocks in SQL Server?
Also, what exactly does the Go keyword do?
6 Answers
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Why does Pycharm's inspector complain about “d = {}”?
...'aaa': 5}
BTW: The fact that the error goes away if you use the function doesn't necessarily mean that pycharm believes dict() is a literal. It could just mean that it doesn't complain for:
dic = dict()
dic['aaa'] = 5
HTH!
...
Perform debounce in React.js
...ch time the text changes,
// but as the search function is debounced, it does not
// fire a new request on each keystroke
const searchResults = useAsync(
async () => {
if (inputText.length === 0) {
return [];
} else {
return debouncedSearchFunction(inputText)...
Javascript Equivalent to PHP Explode()
...
NOTE: split(delimiter,limit)'s limit parameter does NOT work the same as explode($delimiter,$string,$limit)'s limit parameter. Example: explode('.','1.2.3.4',3) === array('1','2','3.4') - while in Javascript, you'll get: '1.2.3.4'.split('.',3) === ['1', '2', '3']. Anyone...
Readonly Properties in Objective-C?
...addition to the op's initial declaration in the public interface? Meaning, does this class extension declaration override the initial declaration in the .h? Otherwise I don't see how this would expose a public setter. Thanks
– Madbreaks
Dec 19 '12 at 20:07
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Synchronous request in Node.js
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The async.series code doesn't work, at least as of async v0.2.10. series() only takes up to two arguments and will execute the first argument's elements as functions, so async throws an error trying to execute the objects as functions.
...