大约有 42,000 项符合查询结果(耗时:0.0212秒) [XML]

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Why does this code using random strings print “hello world”?

... @Vulcan Most seeds are very close to the maximum value, just like if you select random numbers between 1 and 1000, most numbers you end up picking will have three digits. It's not surprising, when you think about it :) – Thomas Mar 3 '13 at 22:28 ...
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How can you strip non-ASCII characters from a string? (in C#)

...= ' ') { var min = '\u0000'; var max = '\u007F'; return source.Select(c => c < min ? nil : c > max ? nil : c).ToText(); } public static string ToText(this IEnumerable<char> source) { var buffer = new StringBuilder(); foreach (var c in source) buffer.Append...
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Generating Random Passwords

...axValue is not evenly divisible by characterArray.Length then the randomly selected characters will not be evenly distributed (though this will be a very small effect). – Jeff Walker Code Ranger Aug 19 '14 at 17:24 ...
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Build an ASCII chart of the most commonly used words in a given text [closed]

...bars only the last line break is required. DECLARE @ VARCHAR(MAX),@F REAL SELECT @=BulkColumn FROM OPENROWSET(BULK'A', SINGLE_BLOB)x;WITH N AS(SELECT 1 i,LEFT(@,1)L UNION ALL SELECT i+1,SUBSTRING (@,i+1,1)FROM N WHERE i<LEN(@))SELECT i,L,i-RANK()OVER(ORDER BY i)R INTO #D FROM N WHERE L LIKE'[A-Z...
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Remove leading or trailing spaces in an entire column of data

...HAR(160) directly without a workaround formula by Edit .... Replace your selected data, in Find What hold ALT and type 0160 using the numeric keypad Leave Replace With as blank and select Replace All share | ...
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Generate random password string with requirements in javascript

...ough bits to "fill up" the full decimal space, the last digit will only be selected from a certain set of values. For example, on my computer, the last digit is only ever "i", "r", and "9". Use this instead: Math.random().toString(36).substr(2, 8) – Joel Jan 19...
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V

...rate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are still in the clipboard, so we can paste it multiple times without copying each time). We only have to consider up to 4 c...
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How do you count the number of occurrences of a certain substring in a SQL varchar?

...mparing the lengths Declare @string varchar(1000) Set @string = 'a,b,c,d' select len(@string) - len(replace(@string, ',', '')) share | improve this answer | follow ...
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How well is Unicode supported in C++11?

...port is quite good, though: it supports detecting endianess from a BOM, or selecting it explicitly in code. It also supports producing output with and without a BOM. There are some more interesting conversion possibilities absent. There is no way to deserialize from an UTF-16 byte stream or string ...
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What is the maximum length of a table name in Oracle?

...ith standard SQL you can also determine the lengths by querying the table: select * from all_tab_columns where table_name = 'ALL_TAB_COLUMNS'; – JustinKSU Mar 11 '16 at 23:18 1 ...