大约有 36,020 项符合查询结果（耗时：0.0195秒） [XML]
Is there a typical state machine implementation pattern?
...ce_data_t;
typedef state_t state_func_t( instance_data_t *data );
state_t do_state_initial( instance_data_t *data );
state_t do_state_foo( instance_data_t *data );
state_t do_state_bar( instance_data_t *data );
state_func_t* const state_table[ NUM_STATES ] = {
do_state_initial, do_state_foo, d...
Do rails rake tasks provide access to ActiveRecord models?
I am trying to create a custom rake task, but it seems I dont have access to my models. I thought this was something implicitly included with rails task.
...
Assign output of a program to a variable using a MS batch file
.../p VAR=<temp.txt
Another is:
for /f %%i in ('application arg0 arg1') do set VAR=%%i
Note that the first % in %%i is used to escape the % after it and is needed when using the above code in a batch file rather than on the command line. Imagine, your test.bat has something like:
for /f %%i in...
API Versioning for Rails Routes
...r API, as per your requirements above, you need just this:
namespace :api do
namespace :v1 do
resources :users
end
namespace :v2 do
resources :users
end
match 'v:api/*path', :to => redirect("/api/v2/%{path}")
match '*path', :to => redirect("/api/v2/%{path}")
end
If your...
Is there a “do … while” loop in Ruby?
...d by Ruby's author Matz. Instead he suggests using Kernel#loop, e.g.
loop do
# some code here
break if <condition>
end
Here's an email exchange in 23 Nov 2005 where Matz states:
|> Don't use it please. I'm regretting this feature, and I'd like to
|> remove it in the future if ...
Catch multiple exceptions in one line (except block)
I know that I can do:
5 Answers
5
...
Android OnClickListener - identify a button
...
You will learn the way to do it, in an easy way, is:
public class Mtest extends Activity {
Button b1;
Button b2;
public void onCreate(Bundle savedInstanceState) {
...
b1 = (Button) findViewById(R.id.b1);
b2 = (Button) findViewById(R...
Do while loop in SQL Server 2008
Is there any method for implement do while loop in SQL server 2008?
5 Answers
5
...
AngularJS For Loop with Numbers & Ranges
Angular does provide some support for a for loop using numbers within its HTML directives:
24 Answers
...
How to change Vagrant 'default' machine name?
Where does the name 'default' come from when launching a vagrant box?
7 Answers
7
...