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Composer: how can I install another dependency without updating old ones?
...sues with Laravel and mcrypt: check that it's properly enabled in your CLI php.ini. If php -m doesn't list mcrypt then it's missing.
Important: Don't forget to specify new/package when using composer update! Omitting that argument will cause all dependencies, as well as composer.lock, to be updated...
What is the difference between `new Object()` and object literal notation?
...re there are differences between the two syntaxes when you get into memory allocation.
– newshorts
May 20 '15 at 0:29
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Is there a performance difference between a for loop and a for-each loop?
...
There is the performance penalty of allocating the iterator. I had some highly parallel code in an Android live wallpaper. I saw that the garbage collector was going crazy. It was because for-each loops were allocating temporary iterators in many different (sho...
selecting unique values from a column
...licates
BTW: using explicit column names in SELECT uses less resources in PHP when you're getting a large result from MySQL
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in iPhone App How to detect the screen resolution of the device
...it with the screen size of the iOS device
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Set the initial view controller to be the root view controller of the window object
self.window.rootViewController = initialViewController;
/...
How to convert a string to lower case in Bash?
...uby`
Or Perl (probably my favorite):
b=`perl -e "print lc('$a');"`
Or PHP:
b=`php -r "print strtolower('$a');"`
Or Awk:
b=`echo "$a" | awk '{ print tolower($1) }'`
Or Sed:
b=`echo "$a" | sed 's/./\L&/g'`
Or Bash 4:
b=${a,,}
Or NodeJS if you have it (and are a bit nuts...):
b=`e...
How do I use a custom deleter with a std::unique_ptr member?
...d up with UB if the pointer passed into std::unique_ptr<Bar> was not allocated from create(), but from some other allocation function.
– Justin
Jul 10 '18 at 20:18
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Jquery to change form action
...e jQuery.attr() in your click handler:
$("#myform").attr('action', 'page1.php');
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
... the size of str in the second example will show you that the compiler has allocated 7 bytes for it:
printf("%d", sizeof(str));
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Mocking Extension Methods with Moq
...od is a new field of the class which each instance of the class now has to allocate one more field. It's rare that this matters, but sometimes it does depending on the number of instances you're allocating at any one time. You can work around this problem by making _DoWorkMethod static. The down...