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What is the fastest integer division supporting division by zero no matter what the result is?
...ntegral arithmetic and the use of condition flags are invented in hardware for this purpose. In general condition flags are only accessible in C through using idiom. That is why it so hard to make a portable multiple precision integer library in C without resorting to (inline) assembly. My guess is ...
Why is it string.join(list) instead of list.join(string)?
...list, tuple, dict, set), but the result and the "joiner" must be strings.
For example:
'_'.join(['welcome', 'to', 'stack', 'overflow'])
'_'.join(('welcome', 'to', 'stack', 'overflow'))
'welcome_to_stack_overflow'
Using something else than strings will raise the following error:
TypeError: ...
Is it possible to run a single test in MiniTest?
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I'm looking for similar functionality to rspec path/to/file.rb -l 25
Yup! Use Nick Quaranto's "m" gem. With it you can say:
m spec/my_spec.rb:25
share
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Javascript sort array by two fields
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Nice and clean! The only thing it only works for numbers.
– Afanasii Kurakin
Jul 24 '19 at 7:40
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How to detect if app is being built for device or simulator in Swift
In Objective-C we can know if an app is being built for device or simulator using macros:
20 Answers
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Render basic HTML view?
...houldn't you be able to render that html page without a jade template just for initial testing of express?
– PositiveGuy
Feb 24 '16 at 8:32
1
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将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...mode_t， Visual Studio的C Library中却(作者 很土,联系方法 jackforce at 163 dot com)找不到这样数据类型。Tar代码中使用了大量的mode_t数据类型. config.h中提供了修改项来让开发人员自己修改mode_t的定义，并提示如果mode_t在<sys/types.h>中没有定...
Adding a new value to an existing ENUM Type
...d you are ok with making changes outside of a transaction, see this answer for a simpler approach.
I had the same problem few days ago and found this post. So my answer can be helpful for someone who is looking for solution :)
If you have only one or two columns which use the enum type you want...
Where can I get a list of Ansible pre-defined variables?
...ome pre-defined variables that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
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Check if a number is int or float
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This doesn't work for other integer types, for example if x = 12L. I know only int was asked for, but it's nice to fix other problems before they happen. The most generic is probably isinstance(x, numbers.Integral).
– Sco...