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Which is faster in Python: x**.5 or math.sqrt(x)?
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How many square roots are you really performing? Are you trying to write some 3D graphics engine in Python? If not, then why go with code which is cryptic over code that is easy to read? The time difference is would be less than anybody c...
Auto-loading lib files in Rails 4
...problem:
in config/application.rb:
config.autoload_paths << Rails.root.join('lib')
and keep the right naming convention in lib.
in lib/foo.rb:
class Foo
end
in lib/foo/bar.rb:
class Foo::Bar
end
if you really wanna do some monkey patches in file like lib/extensions.rb, you may manua...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...t's page) cscope allows you to:
Go to the declaration of a symbol
Show a selectable list of all references to a symbol
Search for any global definition
Functions called by a function
Functions calling a function
Search for a text string
Search for a regular expression pattern
Find a file
Find all ...
Apache VirtualHost 403 Forbidden
... get a 403 Forbidden error. I am on Ubuntu 10.10 server edition. The doc root is under dir /var/www . The following are my settings:
...
Lightweight SQL editor for Eclipse [closed]
...ditor. Search for 'toad' in eclipse market place. It has very good Oracle, MySQL and PostgreSQL support.
Take a look at Installation instructions and screenshots.
Alternatively, there is DBeaver (very good in my experience and support almost all DB's) which is built on eclipse platform and availab...
How to get record created today by rails activerecord?
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MySQL:
Model.all :condition => ["DATE(created_at) = ?", Date.today] # rails 2
Model.where("DATE(created_at) = ?", Date.today) # rails 3
PostgreSQL:
Model.all :condition => ["created_at::date = ?", Date.today] # rail...
How to change the value of ${user} variable used in Eclipse templates
...his answer is compact and concise, only 3-sentences. Also, the link in the selected answer is broken.
– johnnieb
Sep 1 '17 at 18:38
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MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...%字符开始的格式指令，我们通过这些格式指令来编译器如何对Args里面的值进行格式！以下是不同类型数据的格式方式%号后的说明: （后面会举例说明各格式命令）
d输出带符号十进制数
o输出无符号八进制数
x输出无符号十六...
How to open a Bootstrap modal window using jQuery?
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Just call the modal method(without passing any parameters) using jQuery selector.
Here is example:
$('#modal').modal();
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Unable to resolve “unable to get local issuer certificate” using git on Windows with self-signed cer
...en a popup window.
In which navigate to certificates tab (3rd in my case). Select the top node that is root certificate. And press copy certificate button in the bottom and save the file.
In file explorer navigate Git\bin directory and open curl-ca-bundle.crt in text editor.
Open the exported certif...