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what is the basic difference between stack and queue?
... is the first one to come out. This is LIFO. Adding a piece of paper is called "pushing", and removing a piece of paper is called "popping".
Imagine a queue at the store. The first person in line is the first person to get out of line. This is FIFO. A person getting into line is "enqueued", ...
When to use IComparable Vs. IComparer
...figure out which of these interfaces I need to implement. They both essentially do the same thing. When would I use one over the other?
...
What is the logic behind the “using” keyword in C++?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How to vertically center a container in Bootstrap?
I'm looking for a way to vertically center the container div inside the jumbotron and to set it in the middle of the page.
...
Checking if an Android application is running in the background
...Pause();
MyApplication.activityPaused();
}
Update
ActivityLifecycleCallbacks were added in API level 14 (Android 4.0). You can use them to track whether an activity of your application is currently visible to the user. Check Cornstalks' answer below for the details.
The wrong one
I used to s...
How to stop mongo DB in one command
...h as data corruption) and talks about the different kill signals.
Additionally, if you have installed MongoDB using a package manager for Ubuntu or Debian then you can stop mongodb (currently mongod in ubuntu) as follows:
Upstart: sudo service mongod stop
Sysvinit: sudo /etc/init.d/mongod...
How does LMAX's disruptor pattern work?
...as an extremely large array to take advantage of cache locality, eliminate allocation of new memory.
5 Answers
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How to display default text “--Select Team --” in combo box on pageload in WPF?
... Simple and working solution. WPF controls have this kind of problems all over the framework. Here and there, controls are missing features that most developers would need. As the result, developers waste their time searching for solutions, buying third-party alternative controls, or implementi...
How to check if object property exists with a variable holding the property name?
...atement would look like if (myObj[0]) which if myObj has any properties at all, the expresssion would evaluate to true. And myObj[0] may not be the property you are looking for.
– Matt R
Oct 26 '19 at 2:14
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How to create dictionary and add key–value pairs dynamically?
...
});
// repeat this last part as needed to add more key/value pairs
Basically, you're creating an object literal with 2 properties (called key and value) and inserting it (using push()) into the array.
Edit: So almost 5 years later, this answer is getting downvotes because it's not creating an ...