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Eclipse Build Path Nesting Errors
...lem even when I created a fresh project.
I was creating the Java project within Eclipse, then mavenize it, then going into java build path properties removing src/ and adding src/main/java and src/test/java. When I run Maven update it used to give nested path error.
Then I finally realized -becaus...
What is the difference between atomic / volatile / synchronized?
...e int counter;
public int getNextUniqueIndex() {
return counter++;
}
It basically reads value from memory, increments it and puts back to memory. This works in single thread but nowadays, in the era of multi-core, multi-CPU, multi-level caches it won't work correctly. First of all it introduce...
Variable is accessed within inner class. Needs to be declared final
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If you don't want to make it final, you can always just make it a global variable.
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Entity Framework and SQL Server View
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We had the same problem and this is the solution:
To force entity framework to use a column as a primary key, use ISNULL.
To force entity framework not to use a column as a primary key, use NULLIF.
An easy way to apply this is to wrap the select statement of your view in another selec...
How to find first element of array matching a boolean condition in JavaScript?
.../elegant way to find the first element of a JS array matching a given condition. A C# equivalent would be List.Find .
12 ...
Is an array name a pointer?
...contains space for seven integers, and you can put a value in one of them with an assignment, like this:
a[3] = 9;
Here is a pointer:
int *p;
p doesn't contain any spaces for integers, but it can point to a space for an integer. We can, for example, set it to point to one of the places in the ...
How to count certain elements in array?
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No, what I mean is without looping with "for"
– Leem
May 25 '11 at 7:42
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How to count the number of set bits in a 32-bit integer?
8 bits representing the number 7 look like this:
55 Answers
55
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How can I negate the return-value of a process?
... cross-platform negate -process that negates the value a process returns. It should map 0 to some value != 0 and any value != 0 to 0, i.e. the following command should return "yes, nonexistingpath doesn't exist":
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How to start an application using android ADB tools?
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adb shell
am start -n com.package.name/com.package.name.ActivityName
Or you can use this directly:
adb shell am start -n com.package.name/com.package.name.ActivityName
You can also specify actions to be filter by your intent-filters:
am start -a com.example.ACTION_NAME -n com.pac...