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How to remove all null elements from a ArrayList or String Array?
...use of brevity, but because it's more expressive. You can almost read it: "From tourists, remove if object is null". Also, the old way is creating a new collection with a single null object, and then asking to remove the contents of a collection from the other. Seems a bit of a hack, don't you think...
When to use a linked list over an array/array list?
...preferable over arrays when:
you need constant-time insertions/deletions from the list (such as in real-time computing where time predictability is absolutely critical)
you don't know how many items will be in the list. With arrays, you may need to re-declare and copy memory if the array grows to...
Should functions return null or an empty object?
What is the best practice when returning data from functions. Is it better to return a Null or an empty object? And why should one do one over the other?
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Merge up to a specific commit
I created a new branch named newbranch from the master branch in git. Now I have done some work and want to merge newbranch to master ; however, I have made some extra changes to newbranch and I want to merge newbranch up to the fourth-from-the-last commit to master .
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What is an intuitive explanation of the Expectation Maximization technique? [closed]
...behind this answer can be found here.
Suppose we have some data sampled from two different groups, red and blue:
Here, we can see which data point belongs to the red or blue group. This makes it easy to find the parameters that characterise each group. For example, the mean of the red group is...
How to apply multiple styles in WPF
...post here
WPF and Silverlight both offer the ability to derive a Style from another Style through the “BasedOn” property. This feature enables developers to organize their styles using a hierarchy similar to class inheritance. Consider the following styles:
<Style TargetType="Button" x:K...
What's the difference between SoftReference and WeakReference in Java?
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From Understanding Weak References, by Ethan Nicholas:
Weak references
A weak reference, simply put, is a
reference that isn't strong enough to
force an object to remain in memory.
Weak references allow you to ...
Mixing Angular and ASP.NET MVC/Web api?
I come from using ASP.NET MVC/Web API and now I am starting to use Angular but I am not clear on the proper way to mix them.
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How to run a class from Jar which is not the Main-Class in its Manifest file
...to be able to run each one of those as per the need. I am trying to run it from command-line on Linux box.
7 Answers
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Bootstrap Modal immediately disappearing
.... Depending on the platform you are using, the modal code could be loaded from a number a sources. Some of the common ones are:
bootstrap.js (the full BootStrap JS suite)
bootstrap.min.js (same as above, just minified)
bootstrap-modal.js (the standalone plugin)
a dependency loader, e.g., require...