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Why malloc+memset is slower than calloc?
It's known that calloc is different than malloc in that it initializes the memory allocated. With calloc , the memory is set to zero. With malloc , the memory is not cleared.
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Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]
...he class. So, you must write:
from serial import Serial
You need to install serial module correctly: pip install pyserial.
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How to get a list of user accounts using the command line in MySQL?
...RE user='someuser' and host='somehost'; If you do DELETE FROM mysql.user;, all users are gone. Logins after the next mysql restart or FLUSH PRIVILEGES; eliminate users from memory. Here is an example of one of my posts on doing DELETE FROM mysql.user responsibly : dba.stackexchange.com/questions/461...
Definition of a Balanced Tree
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The constraint is generally applied recursively to every subtree. That is, the tree is only balanced if:
The left and right subtrees' heights differ by at most one, AND
The left subtree is balanced, AND
The right subtree is balanced
According t...
jQuery UI sliders on touch devices
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Now I can move the slider-handle all over the page!! This is ridiculous.
– dezman
May 24 '13 at 15:17
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Set default syntax to different filetype in Sublime Text 2
... default filetype for a certain file extension in Sublime Text 2? Specifically I want to have *.cfg files default to having Ini syntax highlighting but I cannot seem to figure out how I could create this custom setting.
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How can I add some small utility functions to my AngularJS application?
...s of the current version 1.4.2, Angular exposes a "Provider" API, which is allowed to be injected into config blocks. See these resources for more:
https://docs.angularjs.org/guide/module#module-loading-dependencies
AngularJS dependency injection of value inside of module.config
I don't think I'm...
Quickly create a large file on a Linux system
... it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For example:
fallocate -l 10G gentoo_root.img
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Frontend tool to manage H2 database [closed]
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[-web] Start the web server with the H2 Console
[-webAllowOthers] Allow other computers to connect - see below
[-webPort ] The port (default: 8082)
[-webSSL] Use encrypted (HTTPS) connections
[-browser] Start a browser and open a page to c...
Replace Fragment inside a ViewPager
...at ID in your code causes nothing to happen. I will explain why:
First of all, to make ViewPager repopulate the pages, you need to call notifyDataSetChanged() that resides in the base class of your adapter.
Second, ViewPager uses the getItemPosition() abstract method to check which pages should be...