大约有 15,480 项符合查询结果(耗时:0.0369秒) [XML]

https://stackoverflow.com/ques... 

Best way to work with dates in Android SQLite [closed]

...hown using format %Y-%m-%d %H:%M:%f. For example: sqlite> create table test_table(col1 text, col2 real, col3 integer); sqlite> insert into test_table values ( strftime('%Y-%m-%d %H:%M:%f', '2014-03-01 13:01:01.123'), strftime('%Y-%m-%d %H:%M:%f', '2014-03-01 13:01:01.1...
https://stackoverflow.com/ques... 

Rspec doesn't see my model Class. uninitialized constant error

I'm writing tests on Rspec for my models in Ruby on Rails application. And I receive this error while starting 'rspec spec' ...
https://stackoverflow.com/ques... 

BeanFactory vs ApplicationContext

...ms very easy to use and encourages you to write classes that are very unit test-friendly. 20 Answers ...
https://stackoverflow.com/ques... 

What is Node.js? [closed]

...tting Ruby on Rails/Node.js behind a dedicated webserver (written in C and tested to hell and back) like Nginx (or Apache / Lighttd). The webserver can efficiently serve static content, access logging, rewrite URLs, terminate SSL, enforce access rules, and manage multiple sub-services. For requests ...
https://stackoverflow.com/ques... 

Angularjs: 'controller as syntax' and $watch

... I usually do this: controller('TestCtrl', function ($scope) { var self = this; this.name = 'Max'; this.changeName = function () { this.name = new Date(); } $scope.$watch(function () { return self.name; },function(value...
https://stackoverflow.com/ques... 

How to use C++ in Go

... Update: I've succeeded in linking a small test C++ class with Go If you wrap you C++ code with a C interface you should be able to call your library with cgo (see the example of gmp in $GOROOT/misc/cgo/gmp). I'm not sure if the idea of a class in C++ is really exp...
https://stackoverflow.com/ques... 

Lock Escalation - What's happening here?

...t the LOCK_ESCALATION is set as a last statement in the script. I did few tests and here is my understanding of what is happening here. Short version The ALTER TABLE statement that adds, drops or alters a column implicitly takes a schema modify (SCH-M) lock on the table, which has nothing to do w...
https://stackoverflow.com/ques... 

What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

...;var.int1+diff==&var.int2)' is false. From what I can say with my puny test cases, you are Stop at 0x0013f3: (106) Invalid instruction 0x00dd printf crashes. "O_O" gcc 4.4@x86_64-suse-linux We like to think that: ..05 int has the size of pointers but 'sizeof(int)==sizeof(void*)' is false. ...
https://stackoverflow.com/ques... 

Quickly reading very large tables as dataframes

... Thanks for the tips Richie. I did a little testing, and it seems that the performance gains with using the nrow and colClasses options for read.table are quite modest. For example, reading a ~7M row table takes 78s without the options, and 67s with the options. (note...
https://stackoverflow.com/ques... 

Python speed testing - Time Difference - milliseconds

What is the proper way to compare 2 times in Python in order to speed test a section of code? I tried reading the API docs. I'm not sure I understand the timedelta thing. ...