大约有 9,000 项符合查询结果(耗时:0.0253秒) [XML]
What is the MySQL VARCHAR max size?
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As per the online docs, there is a 64K row limit and you can work out the row size by using:
row length = 1
+ (sum of column lengths)
+ (number of NULL columns + delete_flag + 7)/8
+ (number of variable-length columns)
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为什么你有10年经验,但成不了专家? - 杂谈 - 清泛网 - 专注C/C++及内核技术
...『寻找极端且高频的使用情景』……
然后经过大量的修改、反思,再比照优秀的文案……
这绝对没有任何舒适的享受和轻松的乐趣。
同样,对商业分析感兴趣,看几本商业分析的有趣书籍(比如我常推荐的《好战略坏战...
Is it possible to have multiple statements in a python lambda expression?
...58, 7, 99, 17, 14, 60, 35, 12, 56, 26, 48, 55, 40, 28, 52, 31, 39, 43, 96, 64, 63, 54, 37, 79, 25, 46, 72, 10, 59, 24, 68, 23, 13, 34, 41, 94, 29, 62, 2, 50, 32, 11, 97, 98, 3, 70, 93, 1, 36, 87, 47, 20, 73, 45, 0, 65, 57, 6, 76, 16, 85, 95, 61, 4, 77, 21, 81, 82, 30, 53, 51, 42, 67, 74, 8, 15, 83, ...
What's the valid way to include an image with no src?
...mming.com/2009/03/15/the-tiniest-gif-ever
<img src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=" width="0" height="0" alt="" />
Edit based on comment below:
Of course, you must consider your browser support requirements. No support for IE7 or less is notable. http://caniuse....
Performance of Java matrix math libraries? [closed]
...fat jar" with ATLAS and JNI libraries for Windows, Linux, Mac OS X, 32 and 64 bit (except for Windows). This way you will get the native performance just by adding the jar file to your classpath. Check it out at http://jblas.org!
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How do I check if the Java JDK is installed on Mac?
...libexec/java_home -V
Matching Java Virtual Machines (2):
1.8.0_51, x86_64: "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home
1.7.0_79, x86_64: "Java SE 7" /Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home
To request the JAVA_HOME path of a specif...
Emacs in Windows
...Brian Carlton
6,93655 gold badges3434 silver badges4646 bronze badges
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PHP random string generator
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64
+1 for the shortest answer :). But not the best answer for every use-case. This code will output strings where each character won't appear ...
Returning the product of a list
...r large integer results in which case it returns a result of type numpy.int64 while Ian Clelland's solution based on operator.mul and reduce works for large integer results because it returns long.
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UITableView is starting with an offset in iOS 7
...erneath the navbar/toolbar.
Looks like you're positioning it at 44 (maybe 64)px to move it out from under the nav bar, but it already compensates for this so you get a big gap.
Go to the storyboard/xib in IB and untick the show content under nav bar stuff.
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