大约有 40,000 项符合查询结果(耗时:0.0839秒) [XML]

https://stackoverflow.com/ques... 

Is it possible to assign numeric value to an enum in Java?

... return otherMass * surfaceGravity(); } public static void main(String[] args) { if (args.length != 1) { System.err.println("Usage: java Planet <earth_weight>"); System.exit(-1); } double earthWeight = Double.parseDouble(args[0]); ...
https://stackoverflow.com/ques... 

How to get commit history for just one branch?

... because we feed "2master" to atoi() without making sure that the whole string is parsed as an integer. Use the strtol_i() helper function instead. share | improve this answer | ...
https://stackoverflow.com/ques... 

Set time part of DateTime in ruby

... Also to note that the last argument needs to be a string of the timezone e.g.("-0700") for MST, not an integer – Donavan White Nov 24 '15 at 17:20 2 ...
https://stackoverflow.com/ques... 

Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?

...(std::function<void()> f) { /* ... */ } void doSomething() { std::string name = receiveName(); registerCallback([name]{ /* do something with name */ }); } I think that mutable isn't a case of "almost". I consider "capture-by-value" like "allow me to use its value after the captured enti...
https://stackoverflow.com/ques... 

How to place and center text in an SVG rectangle

...le solutions to overcome it: Each ‘text’ element causes a single string of text to be rendered. SVG performs no automatic line breaking or word wrapping. To achieve the effect of multiple lines of text, use one of the following methods: The author or authoring package needs...
https://stackoverflow.com/ques... 

How big is too big for a PostgreSQL table?

... common to completely remove the ORM from the equation and write a raw sql string to query for performance reasons. Don't let your ORM make data decisions for you! It's an accessory not an essential. – Stefan Theard May 24 '17 at 15:03 ...
https://stackoverflow.com/ques... 

How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?

...TE. Quick explanation. For usage see the manual - specifically the conflict_action clause in the syntax diagram, and the explanatory text. Unlike the solutions for 9.4 and older that are given below, this feature works with multiple conflicting rows and it doesn't require exclusive locking or a retr...
https://stackoverflow.com/ques... 

REST API Token-based Authentication

...the baseauth password. For improved robustness, I recommend using a random string instead of the timestamp as a "nonce" to prevent replay attacks (two legit requests could be made during the same second). Instead of providing seperate "shared secret" and "api key" fields, you can simply use the api ...
https://stackoverflow.com/ques... 

How do I specify “close existing connections” in sql script

...ECLARE @dbId int DECLARE @isStatAsyncOn bit DECLARE @jobId int DECLARE @sqlString nvarchar(500) SELECT @dbId = database_id, @isStatAsyncOn = is_auto_update_stats_async_on FROM sys.databases WHERE name = 'db_name' IF @isStatAsyncOn = 1 BEGIN ALTER DATABASE [db_name] SET AUTO_UPDATE_STAT...
https://stackoverflow.com/ques... 

How do I accomplish an if/else in mustache.js?

...eg: {{isActive param}} and in the view: view.isActive = function (path: string){ return path === this.path ? "class='active'" : '' } share | improve this answer | follow ...