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Pretty-print a Map in Java
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Warning: Does not preserve the order of keys for a LinkedHashMap
– Olivier Masseau
Jan 14 '19 at 14:23
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XMLHttpRequest status 0 (responseText is empty)
...red Apr 16 '12 at 11:58
Abhishek_8Abhishek_8
57144 silver badges22 bronze badges
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How do I trim leading/trailing whitespace in a standard way?
... to store the result. If it is too small, the output is
// truncated.
size_t trimwhitespace(char *out, size_t len, const char *str)
{
if(len == 0)
return 0;
const char *end;
size_t out_size;
// Trim leading space
while(isspace((unsigned char)*str)) str++;
if(*str == 0) // All sp...
Deleting Objects in JavaScript
...s an indepth explination: perfectionkills.com/understanding-delete/#firebug_confusion
– Tarynn
Mar 28 '13 at 20:13
2
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Code snippet or shortcut to create a constructor in Visual Studio
...;
Pick the members you want to include as constructor parameters. You can order them using the up and down arrows. Choose OK.
The constructor is created with the specified parameters.
Generate a constructor in Visual Studio
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Spring get current ApplicationContext
...n test) that caused a lot of tricky bugs.
– Oleksandr_DJ
Jun 26 '18 at 19:54
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How to update the value stored in Dictionary in C#?
... answered Jun 17 '14 at 4:19
max_forcemax_force
63966 silver badges1111 bronze badges
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Count characters in textarea
... relevance of IDs of textarea and second span : id="post" <-> id="rem_post" and the title of the span that holds the desired characters amount of each particular textarea
<textarea class="countit" name="post" id="post"></textarea>
<p>
<span>characters remaining: <...
Swift make method parameter mutable?
...eclare an inout parameter. Think: passing in a pointer.
func reduceToZero(_ x: inout Int) {
while (x != 0) {
x = x-1
}
}
var a = 3
reduceToZero(&a)
print(a) // will print '0'
This can be particularly useful in recursion.
Apple's inout declaration guidelines can be found...
Cocoa Core Data efficient way to count entities
... = [NSEntityDescription entityForName:@"YourEntity" inManagedObjectContext:_managedObjectContext];
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
[fetchRequest setEntity:entity];
[fetchRequest setIncludesPropertyValues:NO];
[fetchRequest setIncludesSubentities:NO];
NSError *error = ni...