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What is the easiest way to duplicate an activerecord record?
...nswered Sep 15 '08 at 13:36
François BeausoleilFrançois Beausoleil
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Get the distance between two geo points
...the two points, the larger the error compared to the exact Haversine formulæ.
– Laurent Grégoire
Aug 8 '19 at 8:31
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What is Data Transfer Object?
What is a Data Transfer Object?
8 Answers
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Hashing a string with Sha256
... answered May 18 at 19:26
Erçin DedeoğluErçin Dedeoğlu
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Precise Financial Calculation in JavaScript. What Are the Gotchas?
...answered Aug 7 '17 at 16:10
François ZaninottoFrançois Zaninotto
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invalid context 0x0 under iOS 7.0 and system degradation
I've read as many search results I could find on this dreaded problem, unfortunatelly, each one seems to focus on a specific function call.
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How can I change the color of AlertDialog title and the color of the line under it
...er, and in the example I created a custom view that seemed to cater to the IP Address example you give in your original question.
With QustomDialog, in order to create a basic dialog (title, message) with a desired different color for the title or divider, you use the following code:
private Stri...
“Keep Me Logged In” - the best approach
...hat they know the algorithm that you used. For example:
md5(salt+username+ip+salt)
Now, all an attacker needs to do is brute force the "salt" (which isn't really a salt, but more on that later), and he can now generate all the fake tokens he wants with any username for his IP address! But brute-f...
How can I easily convert DataReader to List? [duplicate]
I have data in a DataReader which I want to be converted to a List<T> .
What is a possible simple solution for this?
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Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...加入以下代码：
PS1="`whoami`@`hostname`:"'[$PWD]'
history
USER_IP=`who -u am i 2>/dev/null| awk '{print $NF}'|sed -e 's/[()]//g'`
if [ "$USER_IP" = "" ]
then
USER_IP=`hostname`
fi
if [ ! -d /tmp/dbasky ]
then
mkdir /tmp/dbasky
chmod 777 /tmp/dbasky
fi
if [ ! -d /tmp/dbasky/${LO...