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How to destroy an object?
...y an object.
It will stay there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage collected. I would go with unset() (as opposed to setting it to null) as it seems to have better performance (not tested but documented on one of t...
Setting up foreign keys in phpMyAdmin?
...you have multiple tables linked to one another, in particular, your delete scripts will become very short if you set the referencing options correctly.
EDIT: Make sure both of the tables have the InnoDB engine selected.
sha...
Java EE web development, where do I start and what skills do I need? [closed]
...d to JSP is the fact that writing plain Java code in JSP files using <% scriptlets %> is officially discouraged since 2003. See also How to avoid Java code in JSP files? So any tutorials which still cover scriptlets should be skipped as they will definitely take you into a downward spiral of l...
Eclipse interface icons very small on high resolution screen in Windows 8.1
...easier way to do this! Its just a program and you shouldn't have to modify scripts, or install third party tools. The issue is related to High DPI scaling as mentioned above but what I think a lot of you are missing is that you can't directly modify compatibility settings on the launcher itself. The...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...application inside it, and saving the output for later retrieval) could be scripted for automated tests runs.
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How to use shell commands in Makefile
...make itself (avoiding any "weird characters in file name" issues). (In sh scripts, including the recipe portion of makefiles, another method is to use find ... -print0 | xargs -0 to avoid tripping over blanks, newlines, control characters, and so on.)
1The GNU Make documentation notes further th...
How can I profile Python code line-by-line?
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how does the python script that produces this output look like? import line_profiler; and then ?
– Zhubarb
Mar 11 '14 at 12:19
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When to use Hadoop, HBase, Hive and Pig?
...has 2 parts: the Pig Interpreter and the language, PigLatin. You write Pig script in PigLatin and using Pig interpreter process them. Pig makes our life a lot easier, otherwise writing MapReduce is always not easy. In fact in some cases it can really become a pain.
I had written an article on a sho...
What is causing “Unable to allocate memory for pool” in PHP?
...32MB is ridiculously low. PHP was designed when servers were 64MB and most scripts were using one php file per page. Nowadays solutions like Magento require more than 10k files (~60Mb in APC). You should allow enough memory so most of php files are always cached. It's not a waste, it's more efficien...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
...NGINX config files so you can re-use them (that includes your init.d/nginx script)
yum install pcre pcre-devel openssl openssl-devel and any other necessary libs for building NGINX
Get the nginx_tcp_proxy_module from GitHub here https://github.com/yaoweibin/nginx_tcp_proxy_module and remember the fo...