大约有 45,000 项符合查询结果(耗时:0.0411秒) [XML]

https://stackoverflow.com/ques... 

When to use static classes in C# [duplicate]

...ery cheap operation in most languages, so speed is not an issue. Adding an extra line of code to the consumer is a low cost for laying the foundation of a much more maintainable solution in the future. And finally, if you want to avoid creating instances, simply create a singleton wrapper of your cl...
https://stackoverflow.com/ques... 

How to add one day to a date? [duplicate]

... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Where to obtain the java.time classes? Java SE 8, Java SE 9, Java SE 10, and later Built-in. Part of the standard Java API with a bundled implementation. Java 9 adds some minor ...
https://stackoverflow.com/ques... 

When should I use a trailing slash in my URL?

...ile) when a directory is accessed, so /foo/ is /foo/index.html without the extra mess. Also, in the past, browsers would append / to the domain name, but they (Firefox, Chrome, Opera) have since changed to omit the / when accessing the homepage. – 0b10011 Mar 7...
https://stackoverflow.com/ques... 

C++ : why bool is 8 bits long?

...or booleans, in a way. I seem to remember Pascal implementing sets as bit strings. That is, for the following set: {1, 2, 5, 7} You might have this in memory: 01100101 You can, of course, do something similar in C / C++ if you want. (If you're keeping track of a bunch of booleans, it could ...
https://stackoverflow.com/ques... 

Why use prefixes on member variables in C++ classes

...tless in strongly typed languages e.g. in C++ "lpsz" to tell you that your string is a long pointer to a nul terminated string, when: segmented architecture is ancient history, C++ strings are by common convention pointers to nul-terminated char arrays, and it's not really all that difficult to know...
https://stackoverflow.com/ques... 

Unknown provider: $modalProvider

... Just an extra side note for an issue I also experienced today: I had a similar error "Unknown provider: $aProvider" when I turned on minification/uglify of my source code. As mentioned in the Angular docs tutorial (paragraph: "A No...
https://stackoverflow.com/ques... 

What is DOCTYPE?

... In HTML (including XHTML) as used on web pages, DOCTYPE is a string that triggers one of a few browser modes (quirks mode, standards mode, almost standards mode), depending on the exact spelling of the DOCTYPE. You want to use it to select a browser mode that best suits your page. For...
https://stackoverflow.com/ques... 

How can I backup a remote SQL Server database to a local drive?

...RedGate etc. Maybe I'v paranoia but I think most of third party tools have extra code and will got my control and reduce simplicity and clarifying of script. Thanks so much. – QMaster Dec 27 '14 at 13:47 ...
https://stackoverflow.com/ques... 

What do you call the -> operator in Ruby?

...t simply do a drop-in replacement in all cases (because sometimes you need extra parentheses for lambda). – Kelvin Mar 15 '17 at 22:16 ...
https://stackoverflow.com/ques... 

How do you set a default value for a MySQL Datetime column?

...--------+-------+ | Field | Type | Null | Key | Default | Extra | +-------+-------------+------+-----+-------------------+-------+ | str | varchar(32) | YES | | NULL | | | ts | timestamp | NO | | CURRENT_TIMESTAMP | | +-------+-----------...