大约有 40,000 项符合查询结果(耗时:0.0513秒) [XML]

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How to create P12 certificate for iOS distribution

...hain Access where it will be matched up with the private key. You can then select the cert, and open the arrow to also select the private key and export them together as a .p12 file from Keychain Access. share | ...
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How can I configure NetBeans to insert tabs instead of a bunch of spaces?

...it Tab for indenting code, I like to get a real tab. Meaning that when I select that, I only have one large thing selected. NetBeans inserts 5 spaces instead of a tab when I hit Tab . Is there a way I can change that? ...
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SQL Server: Query fast, but slow from procedure

...: CREATE PROCEDURE GetOrderForCustomers(@CustID varchar(20)) AS BEGIN SELECT * FROM orders WHERE customerid = @CustID END Fast way: CREATE PROCEDURE GetOrderForCustomersWithoutPS(@CustID varchar(20)) AS BEGIN DECLARE @LocCustID varchar(20) SET @LocCustID = @CustID SELEC...
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How to select only the first rows for each unique value of a column

... A very simple answer if you say you don't care which address is used. SELECT CName, MIN(AddressLine) FROM MyTable GROUP BY CName If you want the first according to, say, an "inserted" column then it's a different query SELECT M.CName, M.AddressLine, FROM ( SELECT ...
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How do I find a default constraint using INFORMATION_SCHEMA?

...our constraints!) -- returns name of a column's default value constraint SELECT default_constraints.name FROM sys.all_columns INNER JOIN sys.tables ON all_columns.object_id = tables.object_id INNER JOIN sys.schemas ON tables.schema_id = schemas.s...
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Fluent and Query Expression — Is there any benefit(s) of one over other?

...me in fullNames from name in fullName.Split() orderby fullName, name select name + " came from " + fullName; Now compare this to the same thing in method syntax: var query = fullNames .SelectMany (fName => fName.Split().Select (name => new { name, fName } )) .OrderBy (x => x.fN...
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List comprehension in Ruby

..._ARRAY.map{|x| x % 2 == 0 ? x * 3 : nil}.compact end end def test_select_map 1000.times do TEST_ARRAY.select{|x| x % 2 == 0 }.map{|x| x * 3} end end def test_inject 1000.times do TEST_ARRAY.inject([]) {|all, x| all << x*3 if x % 2 == 0; all } end end...
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Group by in LINQ

... p in persons group p.car by p.PersonId into g select new { PersonId = g.Key, Cars = g.ToList() }; Or as a non-query expression: var results = persons.GroupBy( p => p.PersonId, p => p.car, (key, g) => new { PersonId = key, Cars = g.ToList() }); ...
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How do you count the lines of code in a Visual Studio solution?

...solution's directory: PS C:\Path> (gci -include *.cs,*.xaml -recurse | select-string .).Count 8396 PS C:\Path> That will count the non-blank lines in all the solution's .cs and .xaml files. For a larger project, I just used a different extension list: PS C:\Other> (gci -include *.cs,*....
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Limit file format when using ?

...te of <input type = "file"> can help to provide a filter in the file select dialog box of the OS. For example, <!-- (IE 10+, Edge (EdgeHTML), Edge (Chromium), Chrome, Firefox 42+) --> <input type="file" accept=".xls,.xlsx" /> should provide a way to filter out files other...