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创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
...multi-player games).
By default, the TinyWebDB component stores data on a test service provided by App Inventor, http://tinywebdb.appinventor.mit.edu/ . This service is helpful for testing, but it is shared by all App Inventor users, and it has a limit of 1000 entries. If you use it, your data will...
Java 8 NullPointerException in Collectors.toMap
...ault non-overloaded version instead. Maybe merge is faster, but I have not tested.
– Brett Ryan
Oct 19 '15 at 12:59
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How to reference generic classes and methods in xml documentation
...t completely resolves.
If the method in the OP were in a namespace called Test, the completely resolved link to the method shown would be:
<see cref="M:Test.FancyClass`1.FancyMethod``1(`0)"/>
As you may be able to work out, there should only be one backtick before the number of class type p...
How to test if list element exists?
I would like to test if an element of a list exists, here is an example
7 Answers
7
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Python's time.clock() vs. time.time() accuracy?
...me() but exists also with time.clock(), so you should never run one timing test only, but always run a series of test and look at mean/variance of the times.
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How to do an instanceof check with Scala(Test)
I'm trying to incorporate ScalaTest into my Java project; replacing all JUnit tests with ScalaTests. At one point, I want to check if Guice's Injector injects the correct type. In Java, I have a test like this:
...
How to simulate a higher resolution screen? [closed]
Is there any way for the browser to test my websites in resolutions that are higher than my screens?
9 Answers
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Can I use Objective-C blocks as properties?
...sure they are declared as @property(copy). For example:
typedef void(^TestBlock)(void);
@interface SecondViewController : UIViewController
@property (nonatomic, copy) TestBlock block;
@end
In MRC, blocks capturing context variables are allocated in stack; they will be released when the stack...
How to run `rails generate scaffold` when the model already exists?
... available to you.
Rails:
controller
generator
helper
integration_test
mailer
migration
model
observer
performance_test
plugin
resource
scaffold
scaffold_controller
session_migration
stylesheets
If you'd like to generate a controller scaffold for your model, see scaf...
How to select rows that have current day's timestamp?
...o show the difference that this makes on the actual execution plans, we'll test with an SQL-Fiddle (an extremely helpful site):
CREATE TABLE test --- simple table
( id INT NOT NULL AUTO_INCREMENT
,`timestamp` datetime --- index timestamp
, d...