大约有 15,480 项符合查询结果(耗时:0.0369秒) [XML]
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...
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'
...
BeanFactory vs ApplicationContext
...ms very easy to use and encourages you to write classes that are very unit test-friendly.
20 Answers
...
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 ...
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...
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...
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...
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.
...
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...
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.
...