大约有 13,066 项符合查询结果（耗时：0.0290秒） [XML]
How can I add or update a query string parameter?
With javascript how can I add a query string parameter to the url if not present or if it present, update the current value? I am using jquery for my client side development.
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(Mac) -bash: __git_ps1: command not found
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You've installed the version of git-completion.bash from master - in git's development history this is after a commit that split out the __git_ps1 function from the completion functionality into a new file (git-prompt.sh). The...
how to exclude null values in array_agg like in string_agg using postgres?
If I use array_agg to collect names, I get my names separated by commas, but in case there is a null value, that null is also taken as a name in the aggregate. For example :
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What is the strict aliasing rule?
When asking about common undefined behavior in C , people sometimes refer to the strict aliasing rule.
What are they talking about?
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How is Racket different from Scheme?
.... How is Racket different than R6RS? What did it add, or take away, or is just different?
6 Answers
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How do I create a URL shortener?
I want to create a URL shortener service where you can write a long URL into an input field and the service shortens the URL to " http://www.example.org/abcdef ".
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Access nested dictionary items via a list of keys?
I have a complex dictionary structure which I would like to access via a list of keys to address the correct item.
18 Answe...
Check if Python Package is installed
...lled while within a Python script? I know it's easy from the interpreter, but I need to do it within a script.
16 Answers
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How to colorize diff on the command line?
...ze it so that it looks good? I want it for the command line, so please no GUI solutions.
14 Answers
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Loop through all nested dictionary values?
I'm trying to loop through a dictionary and print out all key value pairs where the value is not a nested dictionary. If the value is a dictionary I want to go into it and print out its key value pairs...etc. Any help?
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