Questions tagged [code-inspection]
261 questions
405
votes
4 answers
How to use IntelliJ IDEA to find all unused code?
When I am in a .java file, the unused code is usually grayed out or has a green underline saying this code will probably (probably because of some weird JNI/Reflection corner cases) be unused. But I have this project with thousands of Java files and…
pathikrit
- 32,469
- 37
- 142
- 221
370
votes
5 answers
What does ==$0 (double equals dollar zero) mean in Chrome Developer Tools?
In Google Chrome's developer tools, when I select an element, I see ==$0 next to the selected element. What does that mean?
oneNiceFriend
- 6,691
- 7
- 29
- 39
53
votes
5 answers
“Variable is never assigned” warning in IntelliJ IDEA can be suppressed only "partially"
Java EE + IntelliJ Idea 2016.3: I've written a class and declared a private field with a @Inject annotation.
I have successfully got rid of the "unused declaration" notification from the "inspection results" window by adding javax.inject.Inject to…
rychu
- 896
- 1
- 7
- 16
34
votes
3 answers
Unclear inspection warning "NullableProblems" in IntelliJ
Why am I getting a warning from the "NullableProblems" inspection in IntelliJ on this:
public class Test implements Comparable {
@Override
public int compareTo(Test o) {
return 0;
}
}
I'm using IntelliJ 14.1.4 and…
traveh
- 2,700
- 3
- 27
- 44
31
votes
8 answers
Kotlin suppress 'condition is always true'
Wasting more time scouring through the COUNTLESS number of inspections (which I know how to enable and disable), I cannot find ANY way to disable the particular inspection of 'Condition is always true' for my Kotlin (not Java) file in Android…
rmirabelle
- 6,268
- 7
- 45
- 42
27
votes
2 answers
Why does IntelliJ suggest to convert a call chain into a Sequence?
Assume the following Kotlin example that maps the source set src to a destination set dst:
private val src: Set = setOf("hello", "world")
private val dst: Set = src.map { it.length }.toSet()
This works fine. However, IntelliJ's code…
Andreas Schörgenhumer
- 1,232
- 11
- 12
20
votes
2 answers
How do I make PyCharm recognize placeholders in SQL statements?
I'm using PyCharm and I have an error on this SQL statement:
SELECT * FROM table WHERE id= %(id)s
The code syntax inspection says:
expected, got '%'
Is there a way to disable this error message? In other words, how do I make PyCharm…
Julien
- 357
- 2
- 11
18
votes
1 answer
How to check which arguments a function/method takes?
To keep a couple modules I'm building in Python a bit consistent I want to do some automated code checking. For this I want to check the modules for their functions and the arguments the functions take. I can use hasattr() to check whether the…
kramer65
- 50,427
- 120
- 308
- 488
17
votes
1 answer
Code inspection says I need to dispose object. Which one?
This is my function. I already wrapped both client and message into using clause and still get error when run code inspection. Error points to first using line:
public static void Send(MailItem mail)
{
var sender =…
katit
- 17,375
- 35
- 128
- 256
17
votes
1 answer
Intellij IDEA build-in inspection code vs checkstyle, PMD & findbugs
Recently i'm looking about the best tool set to do code inspection. My IDE is Intellij 15.0 and i know there is a good inspection capabilities there but when i look over the internet i didn't found good comparison between Intellij build-in…
Idan
- 173
- 1
- 5
16
votes
1 answer
Context of lint.xml and inspection profile
In Android Studio there is the lint.xml configuration and ./idea/inspectionProfiles/.xml manageable via Settings => Editor => Inspections. I understand lint.xml is used by lint command line tool and the inspection profile is used by Android Studio…
LastFreeNickname
- 1,445
- 10
- 17
15
votes
2 answers
Dismiss PyCharm code inspection warning for particular line of code
PyCharm's code inspection is a useful tool, but sometimes it gets things wrong. I know you can disable whole classes of warnings via settings, but what if you just want to dismiss a specific instance of a warning at a particular line?
Ghopper21
- 10,287
- 10
- 63
- 92
14
votes
2 answers
IntelliJ inspection saying module.exports does not exist for nodejs
IntelliJ is giving a warning of
Property exports is not defined in type Module
wherever I use module.exports= anywhere in the project.
Dakusan
- 6,504
- 5
- 32
- 45
13
votes
1 answer
Get list of methods in class using clang
In common IDEs (pick one) you often have an outline view showing you the list of methods for a specific class.
Suppose I have a C++ interface class in IFoo.h that looks like this:
#ifndef IFOO_H_
#define IFOO_H_
class IFoo {
public:
…
Konrad Kleine
- 4,275
- 3
- 27
- 35
13
votes
4 answers
Detecting empty function definitions in python
I need to detect whether a function is an empty definition or not. It can be like:
def foo():
pass
or like:
def foo(i, *arg, **kwargs):
pass
or like:
foo = lambda x: None
What is the most elegant way to detect them using the 'inspect'…
Benji Mizrahi
- 2,154
- 2
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