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How can the Euclidean distance be calculated with NumPy?
...t(x^2 + y^2 + z^2)) so we're making a lot of sqrt calls. Math 101:
dist = root ( x^2 + y^2 + z^2 )
:.
dist^2 = x^2 + y^2 + z^2
and
sq(N) < sq(M) iff M > N
and
sq(N) > sq(M) iff N > M
and
sq(N) = sq(M) iff N == M
In short: until we actually require the distance in a unit of X rather th...
Deploying my application at the root in Tomcat
I have the war file of my application. I need to deploy this at the root level. The current URL is http://localhost:8080/war_name/application_name .
...
How to think in data stores instead of databases?
...ays but when it comes to google products except google cloud SQL (which is mySQL) everything else is NoSQL.
PHP session lost after redirect
...rol panel (or equivalent), but you can also create a test.php file on your root directory and type:
<?php echo $_SERVER['SCRIPT_FILENAME']; ?>
The bit before 'test.php' is your home directory path. And of course, make sure that the folder actually exists within your root directory. (Some pr...
What is sharding and why is it important?
...cross multiple logical or physical nodes (in the case of my understanding (mySQL) multiple databases, most likely housed on different logical hardware). Horizontal partitioning is a less specific term, of which "Sharding" is a subset. Again using mySQL as an example, a mySQL partition is handled by...
How to check if running as root in a bash script
I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits.
...
What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...ink I'm quite convinced that the given beforefieldinit optimization is the root cause. It might be that some of the actual explanation is different from what I mentioned, but the root cause is likely the same thing.
– user541686
Aug 11 '12 at 1:39
...
DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
... "个人资料"
调用 DaffyMenu1.添加菜单项 用户按钮 "修改密码"
否则
// 访客菜单
调用 DaffyMenu1.清除菜单项 访客按钮
调用 DaffyMenu1.添加菜单项 访客按钮 "登录"
调用 DaffyMenu1.添加菜单项 访客按钮 "注册"
应用...
How do I use a file grep comparison inside a bash if/else statement?
...error occurs and -q was not given, the exit status is 2.
if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then
echo exists
else
echo not found
fi
You may want to use a more specific regex, such as ^MYSQL_ROLE=master$, to avoid that string in comments, names that merely start with "mast...
This app won't run unless you update Google Play Services (via Bazaar)
...ther. It probably would work if I knew exactly which APKs to copy from my rooted device.
– James Wald
Dec 5 '12 at 4:28
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