大约有 15,500 项符合查询结果（耗时：0.0230秒） [XML]
Get the length of a String
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As of Swift 4+
It's just:
test1.count
for reasons.
(Thanks to Martin R)
As of Swift 2:
With Swift 2, Apple has changed global functions to protocol extensions, extensions that match any type conforming to a protocol. Thus the new syntax is:
test...
What does $$ (dollar dollar or double dollar) mean in PHP?
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For example, if you consider this portion of code :
$real_variable = 'test';
$name = 'real_variable';
echo $$name;
You will get the following output :
test
Here :
$real_variable contains test
$name contains the name of your variable : 'real_variable'
$$name mean "the variable thas has i...
Wait 5 seconds before executing next line
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The main problem is that in some cases (specifically testing) this is woefully inadequate. What if you need to sleep for 500ms before returning from the function, for instance to simulate a slow async http request?
– A.Grandt
Sep 22 '16 a...
Batch script to delete files
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You need to escape the % with another...
del "D:\TEST\TEST 100%%\Archive*.TXT"
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How to execute mongo commands through shell scripts?
I want to execute mongo commands in shell script, e.g. in a script test.sh :
22 Answers
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Jquery select all elements that have $jquery.data()
...d simple way to select them is:
$('[data-myAttr]')
More Information:
I tested a lot of things.
Using $('[data-myAttr!=""]') doesn't work for all cases. Because elements that do not have a data-myAttr set, will have their data-myAttr equal to undefined and $('[data-myAttr!=""]') will select thos...
Postgres: “ERROR: cached plan must not change result type”
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I got the same problem on Postgres 10 while running JUnit tests for spring+jpa application. Exception message: org.postgresql.util.PSQLException: ERROR: cached plan must not change result type. And all tests work like a charm, but only Repository.findById(). I don't change the schem...
Is there any publicly accessible JSON data source to test with real world data? [closed]
...ing on a JavaScript dynamically loaded tree view user control. I'd like to test it with real world data.
5 Answers
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Purge or recreate a Ruby on Rails database
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You'll also need to run rake db:test:prepare for testing, or else you'll get an error like: Could not find table 'things' (ActiveRecord::StatementInvalid)
– s2t2
Feb 17 '13 at 1:49
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How to verify that a specific method was not called using Mockito?
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As a more general pattern to follow, I tend to use an @After block in the test:
@After
public void after() {
verifyNoMoreInteractions(<your mock1>, <your mock2>...);
}
Then the test is free to verify only what should be called.
Also, I found that I often forgot to check for "no ...