大约有 47,000 项符合查询结果（耗时：0.0493秒） [XML]
Convert float to double without losing precision
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answered May 27 '09 at 14:42
Jon SkeetJon Skeet
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Javascript switch vs. if…else if…else
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edited Apr 27 '19 at 15:35
Fcmam5
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answered May ...
SQL injection that gets around mysql_real_escape_string()
...ck...
mysql_query('SET NAMES gbk');
$var = mysql_real_escape_string("\xbf\x27 OR 1=1 /*");
mysql_query("SELECT * FROM test WHERE name = '$var' LIMIT 1");
In certain circumstances, that will return more than 1 row. Let's dissect what's going on here:
Selecting a Character Set
mysql_query('SET NAMES...
How to use a different version of python during NPM install?
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as i have python3 as global, i need to setup also python27 using: > this npm config set python C:\Python27\python.exe
– francois
Jan 23 '16 at 23:22
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How to Turn Off Showing Whitespace Characters in Visual Studio IDE
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edited Sep 27 '17 at 22:34
Mwiza
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How to convert vector to array
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answered May 27 '10 at 17:17
Michael MrozekMichael Mrozek
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Assign multiple columns using := in data.table, by group
... hi hello 3.5 7 14 21
# 3: 3 3 hi hello 4.5 9 18 27
# 4: 1 4 hi hello 2.5 5 10 15
# 5: 2 5 hi hello 3.5 7 14 21
# 6: 3 6 hi hello 4.5 9 18 27
x[ , get("mynames") := list(mean(b) * 4, sum(b) * 3), by = a][] # same
# a b col1 co...
What do commas and spaces in multiple classes mean in CSS?
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answered Jul 27 '10 at 13:50
SampsonSampson
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How can I query a value in SQL Server XML column
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answered Apr 27 '12 at 4:09
Leniel MaccaferriLeniel Maccaferri
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Join/Where with LINQ and Lambda
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edited May 27 '13 at 15:41
answered May 4 '10 at 17:57
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