大约有 47,000 项符合查询结果(耗时:0.0494秒) [XML]

https://stackoverflow.com/ques... 

What does enumerate() mean?

...ieving that; one using itertools.count() to do the counting, the other manually counting in a generator function: from itertools import count def enumerate(it, start=0): # return an iterator that adds a counter to each element of it return zip(count(start), it) and def enumerate(it, sta...
https://stackoverflow.com/ques... 

How do you share code between projects/solutions in Visual Studio?

...sulting in multiple assemblies: however, when coupled with ILMerge - especially with the internalize option - it becomes a very powerful solution. – user2246674 Jun 28 '13 at 5:27 ...
https://stackoverflow.com/ques... 

Use find command but exclude files in two directories

...k for files with the name ending in _peaks.bed ! -path "./tmp/*" - Exclude all results whose path starts with ./tmp/ ! -path "./scripts/*" - Also exclude all results whose path starts with ./scripts/ Testing the Solution: $ mkdir a b c d e $ touch a/1 b/2 c/3 d/4 e/5 e/a e/b $ find . -type f ! -p...
https://stackoverflow.com/ques... 

Are lists thread-safe?

... data is not protected. For example: L[0] += 1 is not guaranteed to actually increase L[0] by one if another thread does the same thing, because += is not an atomic operation. (Very, very few operations in Python are actually atomic, because most of them can cause arbitrary Python code to be call...
https://stackoverflow.com/ques... 

LINQ to Entities case sensitive comparison

...ObjectQuery.ToTraceString to see the generated SQL query that has been actually submitted to SQL Server reveals the mystery: string sqlQuery = ((ObjectQuery)context.Thingies .Where(t => t.Name == "ThingamaBob")).ToTraceString(); When you create a LINQ to Entities query, LINQ to Entities ...
https://stackoverflow.com/ques... 

Extending the User model with custom fields in Django

...ing the fields for additional information. This one-to-one model is often called a profile model, as it might store non-auth related information about a site user. That said, extending django.contrib.auth.models.User and supplanting it also works... Substituting a custom User model Some kinds of p...
https://stackoverflow.com/ques... 

is there a css hack for safari only NOT chrome?

...3 (early 2020 Update) * PLEASE PLEASE -- If you are having trouble, and really want to get help or help others by posting a comment about it, Post Your Browser and Device (MacBook/IPad/etc... with both browser and OS version numbers!) Claiming none of these work is not accurate (and actually not ev...
https://stackoverflow.com/ques... 

Loop through an array of strings in Bash?

... Note that the double quotes around "${arr[@]}" are really important. Without them, the for loop will break up the array by substrings separated by any spaces within the strings instead of by whole string elements within the array. ie: if you had declare -a arr=("element 1" "ele...
https://stackoverflow.com/ques... 

How do I get a list of column names from a psycopg2 cursor?

... to generate column labels directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature. ...
https://stackoverflow.com/ques... 

Are there conventions on how to name resources?

... and colors I use in those layouts. However, I do try generalizing. e.g if all buttons have a common textColor, I won't prefix the name with the layout. The resource name would be 'button_textColor'. If all textColors are using the same the resource it will be named 'textColor'. For Styles, this is ...