大约有 23,000 项符合查询结果(耗时:0.0257秒) [XML]

https://stackoverflow.com/ques... 

How to fix “Incorrect string value” errors?

...r noticing an application tended to discard random emails due to incorrect string value errors, I went though and switched many text columns to use the utf8 column charset and the default column collate ( utf8_general_ci ) so that it would accept them. This fixed most of the errors, and made the ...
https://stackoverflow.com/ques... 

Format floats with standard json module

...t the json module seems to assume all custom types should be serialized as strings. Ie: you end up with the Javascript string "0.33" in the output, not the number 0.33. There may be a way yet to make this work, but it's harder than it looks. ...
https://stackoverflow.com/ques... 

Unique Constraint in Entity Framework Code First

... Starting with EF 6.1 it is now possible: [Index(IsUnique = true)] public string EmailAddress { get; set; } This will get you a unique index instead of unique constraint, strictly speaking. For most practical purposes they are the same. ...
https://stackoverflow.com/ques... 

Does a method's signature in Java include its return type?

...ple: public class Foo { public int myMethod(int param) {} public char myMethod(int param) {} } No, the compiler won't know the difference, as their signature: myMethod(int param) is the same. The second line: public char myMethod(int param) {} will give you can error: method is al...
https://stackoverflow.com/ques... 

Encode html entities in javascript

...u're using UTF8 character encoding, make sure your database is storing the strings in UTF8. You still may see instances where the characters do not display correctly, depending on system font configuration and other issues out of your control. Documentation String.charCodeAt - https://developer.m...
https://stackoverflow.com/ques... 

The transaction manager has disabled its support for remote/network transactions

... DTC Access", "Allow Remote Client", "Allow Inbound/Outbound" and "Enable TIP". To enable Network DTC Access for MS DTC transactions Open the Component Services snap-in. To open Component Services, click Start. In the search box, type dcomcnfg, and then press ENTER. Expand the console tree to lo...
https://stackoverflow.com/ques... 

How do I convert an integer to string as part of a PostgreSQL query?

How do I convert an integer to string as part of a PostgreSQL query? 3 Answers 3 ...
https://stackoverflow.com/ques... 

How does Python manage int and long?

...kes user input through Tkinter entries and sends the casted values via TCP/IP to a client (written in C/C++) that mimics an embedded system. Imagine what happens when you insert 100000000000000000000000 in your Python-based Entry... :P – rbaleksandar Jul 27 '17...
https://stackoverflow.com/ques... 

When should I use C++ private inheritance?

...educe space consumption where it really matters, e.g. in policy controlled string classes or in compressed pairs. actually, boost::compressed_pair used protected inheritance. – Johannes Schaub - litb Mar 17 '09 at 22:12 ...
https://stackoverflow.com/ques... 

A std::map that keep track of the order of insertion?

I currently have a std::map<std::string,int> that stores an integer value to an unique string identifier, and I do look up with the string. It does mostly what I want, except for that it does not keep track of the insertion order. So when I iterate the the map to print out the values, they a...