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if (key in object) or if(object.hasOwnProperty(key)
... returns true always, if property is accessible by the object, directly or from the prototype
hasOwnProperty() returns true only if property exists on the instance, but not on its prototype
If we want to check that some property exist on the prototype, logically, we would say:
console.log(('name'...
When to use Mockito.verify()?
...arlier.
So this is what unit tests are about. A test that doesn't suffer from this kind of dependency on the way collaborator classes are used is really a sub-system test or an integration test. Of course, these are frequently written with JUnit too, and frequently involve the use of mocking. In...
CocoaPods Errors on Project Build
... result to a git remote repo.. all the clients who cloned my repo suffered from the above error. Inspired by Hlung's comment above, I realized that there were some dangling pod scripts that were attempting to run against some non-existent files. So I went to my target build phase, and deleted all th...
runOnUiThread in fragment
... @developer1011 that will happen when the fragment has been detached from the activity. This is common in async tasks, because the activity could have been destroyed during the long running operation, so it no longer exists to get. Always check for null first.
– bclymer
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How to show the text on a ImageButton?
...me, 50% in layout time, and 15-20% in Draw time on my FramLayout, and went from 38 objects down to 26. that's a pretty substantial savings.
– Evan R.
Sep 12 '12 at 20:49
3
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How to convert byte array to string and vice versa?
...it converts different input. Strings don't store the byte[] they were made from, chars don't have an encoding and a String does not store it otherwise.
– zapl
May 24 '16 at 8:39
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Run MySQLDump without Locking Tables
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This removes LOCK TABLES and UNLOCK TABLES statements from the dump file, it does not affect the locking during export.
– dabest1
Jan 30 '15 at 1:34
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How to match, but not capture, part of a regex?
...:
123-(apple(?=-)|banana(?=-)|(?!-))-?456
The reason is that the answer from @op1ekun also matches "123-apple456", without the hyphen after apple.
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How to get access to HTTP header information in Spring MVC REST controller?
...thing like this:
@RequestHeader("Accept")
to get the Accept header.
So from the documentation:
@RequestMapping("/displayHeaderInfo.do")
public void displayHeaderInfo(@RequestHeader("Accept-Encoding") String encoding,
@RequestHeader("Keep-Alive") long keepAlive) {
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NameError: name 'reduce' is not defined in Python
...
You can add
from functools import reduce
before you use the reduce.
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