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string c_str() vs. data()
... required to be null-terminated. According to cppreference: "The returned array is null-terminated, that is, data() and c_str() perform the same function."
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Creating an object: with or without `new` [duplicate]
...tically; you must destroy it explicitly using the keyword delete;
Creating arrays with a size known only at runtime, since the object creation occurs at runtime. (I won't go into the specifics of allocating dynamic arrays here.)
Neither is preferred; it depends on what you're doing as to which is ...
PHP shell_exec() vs exec()
...s the last line of the output by default, but can provide all output as an array specifed as the second parameter.
See
http://php.net/manual/en/function.shell-exec.php
http://php.net/manual/en/function.exec.php
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How do you run multiple programs in parallel from a bash script?
... #!/usr/bin/env bash ARRAY='cat bat rat' for ARR in $ARRAY do ./run_script1 $ARR & done P1=$! wait $P1 echo "INFO: Execution of all background processes in the for loop has completed.."
– Yash
Oc...
Is it faster to count down than it is to count up?
...in the loop. If the loop index variable is used only to index into static arrays (arrays of known size at compile time), the array indexing can be done as ptr + array size - loop index var, which can still be a single instruction in x86. It's pretty wild to be debugging assembler and see the loop c...
Glorified classes in the Java language
...timeException and Error.
NullPointerException and other exceptions such as ArrayIndexOutOfBounds which can be thrown by other bytecode instructions than athrow.
Interfaces
Iterable - the only interface that can be used in an enhanced for loop
Honorable mentions goes to:
java.lang.reflect.A...
Long vs Integer, long vs int, what to use and when?
...n inside the function I change the value held in the first element of that array, will the function's caller see that change? Yes? Well that's because what was passed to the function wasn't the values in the array, but rather a reference to those values. "Pass by value" means the actual data themsel...
How do you get a list of the names of all files present in a directory in Node.js?
... the files present in a directory using Node.js. I want output that is an array of filenames. How can I do this?
25 Answer...
How would I skip optional arguments in a function call?
... it comes to this, you will often see something like this:
checkbox_field(array(
'name' => 'some name',
....
));
Which, as eloquently said in the comments, is using arrays to emulate named arguments.
This gives ultimate flexibility but may not be needed in some cases. At the very leas...
POST unchecked HTML checkboxes
...ently, Some pick the first value, while others place both values in a list/array.
– Michael Ekoka
Feb 7 '13 at 7:05
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