大约有 40,000 项符合查询结果（耗时：0.0578秒） [XML]
Guid is all 0's (zeros)?
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Use the static method Guid.NewGuid() instead of calling the default constructor.
var responseObject = proxy.CallService(new RequestObject
{
Data = "misc. data",
Guid = Guid.NewGuid()
});
s...
How enumerate all classes with custom class attribute?
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I like LINQ. Love it, actually. But it takes a dependency on .NET 3.5, which yield return does not. Also, LINQ eventually breaks down to essentially the same thing as yield return. So what have you gained? A particular C# syntax, that is a prefere...
Pretty git branch graphs
I've seen some books and articles have some really pretty looking graphs of git branches and commits. How can I make high-quality printable images of git history?
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Does a javascript if statement with multiple conditions test all of them?
...statement with multiple conditions to test for, does javascript test them all regardless, or will it bail before testing them all if it's already false?
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How can I search sub-folders using glob.glob module?
...er(files, '*.txt')]
This'll walk your directories recursively and return all absolute pathnames to matching .txt files. In this specific case the fnmatch.filter() may be overkill, you could also use a .endswith() test:
import os
path = 'C:/Users/sam/Desktop/file1'
configfiles = [os.path.join(di...
What are enums and why are they useful?
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You should always use enums when a variable (especially a method parameter) can only take one out of a small set of possible values. Examples would be things like type constants (contract status: "permanent", "temp", "apprentice"), or flags ("execute now", "defer execution")....
sql query to return differences between two tables
...g to compare two tables, SQL Server, to verify some data. I want to return all the rows from both tables where data is either in one or the other. In essence, I want to show all the discrepancies. I need to check three pieces of data in doing so, FirstName, LastName and Product.
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Pandas: Setting no. of max rows
...s default value like this:
pd.reset_option('display.max_rows')
And reset all of them back:
pd.reset_option('all')
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List of all index & index columns in SQL Server DB
How do I get a list of all index & index columns in SQL Server 2005+? The closest I could get is:
30 Answers
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Delete all local changesets and revert to tree
I'm using Mercurial and I've got into a terrible mess locally, with three heads. I can't push, and I just want to delete all my local changes and commits and start again with totally clean code and a clean history.
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