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How can I put strings in an array, split by new line?
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Instead of \n you can use the predefined constant PHP_EOL.
– Tim
Jul 19 '12 at 14:58
41
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What is the best way to test for an empty string in Go?
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TrimSpace will allocate and copy a new string from the original string, so this approach will introduce inefficiencies at scale.
– Dai
Apr 20 '18 at 1:16
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Should I use a data.frame or a matrix?
...ter in the code of the function only new values were recorded into already allocated spaces, and there was no overhead of adding new rows to the DF. This makes the comparison even more fair, and it also made my job simpler as I did not need to rewrite anything further in the function. Just one line ...
How to get the next auto-increment id in mysql
...om your SQL query.
Or
You can also use mysql_insert_id() to get it using PHP.
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How to force the browser to reload cached CSS/JS files?
...ate suggestions from John Millikin and da5id. This solution is written in PHP, but should be easily adapted to other languages.
Update 2: Incorporating comments from Nick Johnson that the original .htaccess regex can cause problems with files like json-1.3.js. Solution is to only rewrite if there ...
read file from assets
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You double-allocate memory - first for the buffer and then for the String. Does not work for bigger files.
– JaakL
Jun 28 '17 at 10:10
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Which Python memory profiler is recommended? [closed]
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Note, heapy doesn't include memory allocated in python extensions. If anybody has worked out a mechanism to get heapy to include boost::python objects, it would be nice to see some examples!
– amos
Jul 3 '14 at 18:08
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What do I have to do to get Core Data to automatically migrate models?
...Error *error;
_persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectModel]];
if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeUrl options:options error:&error]) {
// Handle ...
What is move semantics?
...start with a very simple string class which only holds a pointer to a heap-allocated block of memory:
#include <cstring>
#include <algorithm>
class string
{
char* data;
public:
string(const char* p)
{
size_t size = std::strlen(p) + 1;
data = new char[size]...
How to fix 'sudo: no tty present and no askpass program specified' error?
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-t Force pseudo-tty allocation. This can be used to execute arbitrary screen-based programs on a remote machine see also: sudo-no-tty-present-and-no-askpass-program-specified Also sudo -A allows setting a sudo askpass program, but I only see GU...