大约有 42,000 项符合查询结果（耗时：0.0302秒） [XML]
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...
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...
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
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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...
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, ',', ''))
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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...
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 ...
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
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