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How can a string be initialized using “ ”?
...age for strings with the same contents to conserve storage. String objects allocated via new operator are stored in the heap, and there is no sharing of storage for the same contents.
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What is the best way to compute trending topics or tags?
...us - Thought I might dig this one up from the grave. Could you re-post the PHP implementation of this? The paste links do not seem to be working...thanks!
– Drewness
Apr 23 '13 at 19:51
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What are DDL and DML?
...abase
TRUNCATE – remove all records from a table, including all spaces allocated for the records are removed
COMMENT – add comments to the data dictionary
RENAME – rename an object
DML
DML is short name of Data Manipulation Language which deals with data
manipulation, and ...
How do you remove all the options of a select box and then add one option and select it with jQuery?
...s create a memory leak? The option elements are now inaccessible but still allocated.
– Synetech
Mar 6 '19 at 19:57
add a comment
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How to escape special characters in building a JSON string?
...ilt into whatever language you're using, like JavaScript's JSON.stringify, PHP's json_encode, or Python's json.dumps. If you're using a language that doesn't have such functionality built in, you can probably find a JSON parsing and encoding library to use. If you simply use language or library func...
Deleting a file in VBA
... has much more work to do. Additionally, avoid using "" in VB as it always allocates a new string. Use vbNullString instead as it is a constant and does not uses more memory.
– Renaud Bompuis
Nov 12 '14 at 2:25
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Iterate keys in a C++ map
...tor defeats the purpose of iteration, which is supposed to be fast and not allocate anything. Also, it will be slow for large sets.
– Kevin Chen
Nov 14 '18 at 22:29
add a comm...
Python string class like StringBuilder in C#?
...ncatenating strings(producing many small temporary objects that still need allocations and garbage collection) and even string formatting printf-like tools, not needing of interpreting formatting pattern overhead that is pretty consuming for a lot of format calls.
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How to extract the n-th elements from a list of tuples?
... thanks for posting) but others might wonder why dict is faster - it's not allocating memory but only checking against existing element.
– Greg0ry
Dec 21 '16 at 13:34
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How do I show multiple recaptchas on a single page?
...captcha. My first form's recaptcha div:
<div id="myrecap">
<?php
require_once('recaptchalib.php');
$publickey = "XXXXXXXXXXX-XXXXXXXXXXX";
echo recaptcha_get_html($publickey);
?>
</div>
The second form's div is empty (different ID). So mine is jus...