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What is the difference between window, screen, and document in Javascript?
...at about the document object then? The document object is your html, aspx, php, or other document that will be loaded into the browser. The document actually gets loaded inside the window object and has properties available to it like title, URL, cookie, etc. What does this really mean? That means i...
Spark java.lang.OutOfMemoryError: Java heap space
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I suffered from this issue a lot when using dynamic resource allocation. I had thought it would utilize my cluster resources to best fit the application.
But the truth is the dynamic resource allocation doesn't set the driver memory and keeps it to its default value, which is 1G.
I res...
composer: How to find the exact version of a package?
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php composer.phar show -a and php composer.phar show package/name are also both helpful.
– bishop
Aug 26 '14 at 1:04
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Find and replace with sed in directory and sub directories
... worked for me:
find ./ -type f -exec sed -i '' 's#NEEDLE#REPLACEMENT#' *.php {} \;
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How to get all columns' names for all the tables in MySQL?
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<?php
$table = 'orders';
$query = "SHOW COLUMNS FROM $table";
if($output = mysql_query($query)):
$columns = array();
while($result = mysql_fetch_assoc($output)):
$...
Reading a string with scanf
...ld take it then that this would not be the case with a pointer to a string allocated through malloc()?
– abeln
Mar 23 '11 at 15:04
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Is there a performance difference between a for loop and a for-each loop?
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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...
Using curl to upload POST data with files
... file" \
-F "image=@/home/user1/Desktop/test.jpg" \
localhost/uploader.php
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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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