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Reference — What does this symbol mean in PHP?
...LE__). This directory name does not have a trailing slash unless it is the root directory. (Added in PHP 5.3.0.)
__FUNCTION__: The function name. (Added in PHP 4.3.0) As of PHP 5 this constant returns the function name as it was declared (case-sensitive). In PHP 4 its value is always lowercased.
_...
Emacs Ruby autocomplete almost working
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Here's a thought: The macro binds a flet function (rails-project:root) one time to the value that (rails-project:root) has just before the body executes. (That's how it claims a performance increase: Apparently the outer (rails-project:root) is expensive, so calling once and caching the va...
Lost httpd.conf file located apache [closed]
..._CONFIG_FILE="apache2.conf" You can run "/usr/sbin/apache2 -V | grep HTTPD_ROOT" to find the root. Output: "-D HTTPD_ROOT="/etc/apache2/apache2.conf" The absolute path will be then : "/etc/apache2/apache2.conf"
– Mayank Jaiswal
Oct 27 '13 at 14:56
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Linux查看哪些进程被OOM killer干掉 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...-linux-oom-killergrep -i & 39;killed process& 39; var log messages 需要root权限dmesg -T | egrep -i & 39;killed process& 39; 无需知道日志位置，无需root权
grep -i 'killed process' /var/log/messages #需要root权限
dmesg -T | egrep -i 'killed process' #无需...
How to check if a float value is a whole number
I am trying to find the largest cube root that is a whole number, that is less than 12,000.
13 Answers
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How can you determine a point is between two other points on a line segment?
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The length of the segment is not important, thus using a square root is not required and should be avoided since we could lose some precision.
class Point:
def __init__(self, x, y):
self.x = x
self.y = y
class Segment:
def __init__(self, a, b):
self.a = a...
How can I view an old version of a file with Git?
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You can use git show with a path from the root of the repository (./ or ../ for relative pathing):
$ git show REVISION:path/to/file
Replace REVISION with your actual revision (could be a Git commit SHA, a tag name, a branch name, a relative commit name, or any oth...
What is the difference between a cer, pvk, and pfx file?
... of cryptographic information, including certificates, certificate chains, root authority certificates, and private keys. Its contents can be cryptographically protected (with passwords) to keep private keys private and preserve the integrity of root certificates.
Windows uses .pvk for a private ke...
Is Big O(logn) log base e?
...derivation part of the analysis. The terse answers which don't address the root cause of the misunderstanding may lead to further misunderstanding. It's bad pedagogy.
– Heath Hunnicutt
Oct 15 '09 at 1:16
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Unique fields that allow nulls in Django
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For my project, I dumped this into an extras.py file that lives in the root of my site, then I can just from mysite.extras import CharNullField in my app's models.py file. The field acts just like a CharField - just remember to set blank=True, null=True when declaring the field, or otherwise Dj...