大约有 40,000 项符合查询结果（耗时：0.0608秒） [XML]
Appending a line to a file only if it does not already exist
...
This actually doesn't work when the line starts with a -.
– hyperknot
Feb 6 '18 at 22:03
1
...
What is the difference between BIT and TINYINT in MySQL?
...h cases would you use which? Is there much of a difference? Which I typically used by persistence engines to store booleans?
...
Google Chrome Extensions - Can't load local images with CSS
...ion that uses the content script feature to modify a website. More specifically, the background-image of said website.
8 ...
Encrypt and decrypt a string in C#?
...amWriter(csEncrypt))
{
//Write all data to the stream.
swEncrypt.Write(plainText);
}
}
outStr = Convert.ToBase64String(msEncrypt.ToArray());
}
}
finally...
Why shouldn't I use mysql_* functions in PHP?
...
The MySQL extension:
Is not under active development
Is officially deprecated as of PHP 5.5 (released June 2013).
Has been removed entirely as of PHP 7.0 (released December 2015)
This means that as of 31 Dec 2018 it does not exist in any supported version of PHP. If you are using a ve...
Constructor overload in TypeScript
...
TypeScript allows you to declare overloads but you can only have one implementation and that implementation must have a signature that is compatible with all overloads. In your example, this can easily be done with an optional parameter...
Why is printing “B” dramatically slower than printing “#”?
...
This is actually the correct answer! Adding a space after the B solves it.
– Kuba Spatny
Feb 22 '14 at 0:04
264
...
JavaScript Regular Expression Email Validation [duplicate]
...
If you define your regular expression as a string then all backslashes need to be escaped, so instead of '\w' you should have '\\w'.
Alternatively, define it as a regular expression:
var pattern = /^\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,3}$/;
BTW, please don't validate email address...
C#对象序列化与反序列化 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...序列化：对象序列化之后是二进制形式的，通过BinaryFormatter类来实现的。
SOAP序列化：对象序列化之后的结果符合SOAP协议，也就是可以通过SOAP 协议传输。
XML序列化：对象序列化之后的结果是XML形式的，通过XmlSerializer 类来实...
Android Eclipse - Could not find *.apk
... "Java Builder" from my Builders for the project, building the project manually, reordering my java build path. I have no visible compiler issues and no problems exist in my workspace.
...