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How to import a .cer certificate into a java keystore?
...uthentication for the webservice is using a client certificate, a username and a password. The client certificate I received from the company behind the webservice is in .cer format. When I inspect the file using a text editor, it has the following contents:
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How to avoid null checking in Java?
...y either don't know or don't trust the contracts they are participating in and defensively overcheck for nulls. Additionally, when writing their own code, they tend to rely on returning nulls to indicate something thus requiring the caller to check for nulls.
To put this another way, there are two...
Initialising mock objects - MockIto
...ase.
The second solution (with the MockitoJUnitRunner) is the more classic and my favorite. The code is simpler. Using a runner provides the great advantage of automatic validation of framework usage (described by @David Wallace in this answer).
Both solutions allows to share the mocks (and spies) b...
Why does CSS not support negative padding?
...g might help the development of CSS of certain page elements become better and easier. Yet, there is no provision for a negative padding in the W3C CSS. What is the reason behind this? Is there any obstruction to the property that prevents it's use as such? Thanks for your answers.
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Finding local IP addresses using Python's stdlib
... addresses (i.e. 192.168.x.x or 10.0.x.x) in Python platform independently and using only the standard library?
45 Answers
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Is there a reason for C#'s reuse of the variable in a foreach?
...way that makes it highly prone to an error that is often difficult to find and debug, while producing no perceivable benefits.
Your criticism is entirely justified.
I discuss this problem in detail here:
Closing over the loop variable considered harmful
Is there something you can do with for...
How do I reattach to a detached mosh session?
...-
Mosh: You have a detached Mosh session on this server (mosh [12345]).
And can run this command:
kill 12345
Also, to close all mosh connections you can:
kill `pidof mosh-server`
Note that if you are currently connected via mosh, this last command will also disconnect you.
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Return a value from AsyncTask in Android [duplicate]
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Why not call a method that handles the value?
public class MyClass extends Activity {
private class myTask extends AsyncTask<Void, Void, Void> {
//initiate vars
public myTask() {
super();
//my params ...
How should I unit test threaded code?
...hat is inherently multithreaded. Events come in from the operating system and I have to process them concurrently.
The simplest way to deal with testing complex, multithreaded application code is this: If its too complex to test, you're doing it wrong. If you have a single instance that has mu...
What's the difference between dynamic (C# 4) and var?
...ing with C# v4, but I couldn't make out the difference between a "dynamic" and "var".
14 Answers
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