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Proper way to use **kwargs in Python
What is the proper way to use **kwargs in Python when it comes to default values?
14 Answers
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node.js hash string?
...tring or binary");
I experienced issue with other answer. I advice you to set encoding argument to binary to use the byte string and prevent different hash between Javascript (NodeJS) and other langage/service like Python, PHP, Github...
If you don't use this code, you can get a different hash betw...
How to step through Python code to help debug issues?
...ch are documented on the pdb page.
Some useful ones to remember are:
b: set a breakpoint
c: continue debugging until you hit a breakpoint
s: step through the code
n: to go to next line of code
l: list source code for the current file (default: 11 lines including the line being executed)
u: naviga...
How to create a file in Ruby
I'm trying to create a new file and things don't seem to be working as I expect them too. Here's what I've tried:
9 Answers...
iPhone Keyboard Covers UITextField
I have an app where, in Interface Builder , I set up a UIView that has a text field near the bottom of the view. When I run the app and try to enter text into that field, the keyboard slides up overtop of the field so I can't see what I'm typing until I hide the keyboard again.
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与复制构造函数相关的错误.例如:0x77D9FCAA (ntdll.dll) (prog31.exe 中)处...
与复制构造函数相关的错误.例如:0x77D9FCAA (ntdll.dll) (prog31.exe 中)处有未经处理的异常: 0xC0000374:堆已损坏。 (参数: 0x77DC6668)这种错误可能就是与内存有关的释放问题。这里的错误示例代码主要是为了说明复制构造函数，尤其是含有...
Coding Practices which enable the compiler/optimizer to make a faster program
Many years ago, C compilers were not particularly smart. As a workaround K&R invented the register keyword, to hint to the compiler, that maybe it would be a good idea to keep this variable in an internal register. They also made the tertiary operator to help generate better code.
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Git: fatal: Pathspec is in submodule
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Removing the directory from git and adding it again worked for me:
git rm --cached directory
git add directory
This works if you purposefully removed the .git directory because you wanted to add directory to your main git project. In my specif...
const vs constexpr on variables
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How can foreign key constraints be temporarily disabled using T-SQL?
... you are trying to disable primary key for insert, I would recomend using (SET IDENTITY_INSERT) if you want just check for primary key, you can try sys.key_constraints with sys.indexes.is_primary_key
– Diego Mendes
Jan 20 '17 at 10:46
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