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What can be the reasons of connection refused errors?
...ect to the ip/port to test connectivity. This removes any potential issues from your application.
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What's the difference between JPA and Hibernate? [closed]
...r ORM. Also, I understand that Hibernate has more features than JPA 2. But from a practical point of view, what really is the difference?
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What is Mocking?
... internal parts) or a plastic banana in front of it. You can save yourself from investing in 1000 real laptops and rotting bananas.
The point is you're not trying to test if the banana is fake or not. Nor testing if the laptop is fake or not. All you're doing is testing if your machine once it sees ...
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
...ern void foo(char* m);
int main() {
// warning: deprecated conversion from string constant to ‘char*’
//foo("Hello");
// no more warning
char msg[] = "Hello";
foo(msg);
}
Is this an appropriate way of solving this? I do not have access to foo to adapt it to accept const c...
max value of integer
In C, the integer (for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767.
In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647.
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How to see which commits in one branch aren't in the other?
...ption of that option. It however shows the commits that were cherry-picked from the other branch (for example, "3rd on b" may be cherry-picked from branch A). With this option, such pairs of commits are excluded from the output.
Update As mentioned in a comment, recent versions of git added --cher...
How to split a dos path into its components in Python
...tead of '\\' or '/', as this makes it system independent.
To remove colon from the drive letter (although I don't see any reason why you would want to do that), you can write:
path_list[0] = path_list[0][0]
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Is there a way to stop Google Analytics counting development work as hits?
...times a day it will really skew my readings. Is there a way to turn it off from a particular IP address or is this something that should be built into my build process so it only gets added when I build for deployment?
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What is the real overhead of try/catch in C#?
... a good way of controlling process flow, but where does this overhead come from and what is it's actual impact?
12 Answers
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Disable cache for some images
...ng?dummy=8484744" />
Or
<img src="image.png?dummy=371662" />
From the point of view of the web-server the same file is accessed, but from the point of view of the browser no caching can be performed.
The random number generation can happen either on the server when serving the page (j...