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Why is the use of alloca() not considered good practice?
...memory. Freeing of memory allocated through malloc() is a major headache and if somehow missed leads to all sorts of memory problems.
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Is there a built in function for string natural sort?
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Natsort is a great library, should be added to python standard library! :-)
– Mitch McMabers
Oct 24 '19 at 5:03
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Maximum value for long integer
...t; type(sys.maxsize+1)
<type 'long'>
for integers we have
maxint and maxsize:
The maximum value of an int can be found in Python 2.x with sys.maxint. It was removed in Python 3, but sys.maxsize can often be used instead. From the changelog:
The sys.maxint constant was removed, since t...
Staging Deleted files
...l
matching files. Also a leading directory name (e.g. dir to add dir/file1 and dir/file2) can be given to update the index to match the current state of the directory as a whole (e.g. specifying dir will record not just a file dir/file1 modified in the working tree, a file dir/file2 added to the wor...
How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
I have this two classes. My main Activity and the one that extends the AsyncTask , Now in my main Activity I need to get the result from the OnPostExecute() in the AsyncTask . How can I pass or get the result to my main Activity?
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How to read an external local JSON file in JavaScript?
I have saved a JSON file in my local system and created a JavaScript file in order to read the JSON file and print data out. Here is the JSON file:
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How can I display a JavaScript object?
...ma in the log method, then the first line of the output will be the string and after that the object will be rendered:
console.log('My object: ', obj);
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MySQL - UPDATE query based on SELECT Query
... This is by far the fastest query. Edit: Having dest with 22K rows, and src with 4K rows, it took under 1 sec to complete, while the top answer over 60 sec.
– Chris Dev
Jun 19 '17 at 15:06
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What does default(object); do in C#?
... worth making it explicit)
The biggest use of default(T) is in generics, and things like the Try... pattern:
bool TryGetValue(out T value) {
if(NoDataIsAvailable) {
value = default(T); // because I have to set it to *something*
return false;
}
value = GetData();
re...
Replacing NULL with 0 in a SQL server query
I have developed a query, and in the results for the first three columns I get NULL . How can I replace it with 0 ?
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