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How to implement a queue using two stacks?
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Push the new element onto inbox
Dequeue:
If outbox is empty, refill it by popping each element from inbox and pushing it onto outbox
Pop and return the top element from outbox
Using this method, each element will be in each stack exactly once - meaning each element will be pushed twice and ...
Git: “Corrupt loose object”
...lly they will have an uncorrupted version.
You could actually reconstruct it if you can't find a valid version from someone else by guessing at what files should be there. You may want to see if the dates & times of the objects match up to it. Those could be the related blobs. You could infer t...
Create an empty object in JavaScript with {} or new Object()?
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Objects
There is no benefit to using new Object(); - whereas {}; can make your code more compact, and more readable.
For defining empty objects they're technically the same. The {} syntax is shorter, neater (less Java-ish), and allows you to instan...
findViewById in Fragment
...ragment. However, the findViewById method only works if I extend an Activity class. Is there anyway of which I can use it in Fragment as well?
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Possible reasons for timeout when trying to access EC2 instance
...on timed out. What could be the reasons why, and what can I do to resolve it? Rebooting normally takes a long time to take effect, and might just makes things worst
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I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
For example, in the following master branch, I need to trash just the commit af5c7bf16e6f04321f966b4231371b21475bc4da, which is the second due to previous rebase:
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
I ran into ss64.com which provides good help regarding how to write batch scripts that the Windows Command Interpreter will run.
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What are the performance characteristics of sqlite with very large database files? [closed]
I know that sqlite doesn't perform well with extremely large database files even when they are supported (there used to be a comment on the sqlite website stating that if you need file sizes above 1GB you may want to consider using an enterprise rdbms. Can't find it anymore, might be related to an o...
Generating a UUID in Postgres for Insert statement?
...ware of the concept of a UUID and I want to generate one to refer to each 'item' from a 'store' in my DB with. Seems reasonable right?
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Vertically centering a div inside another div [duplicate]
...ours is the safer way to go for those. But since you tagged your question with CSS3 and HTML5 I was thinking that you don't mind using a modern solution.
The classic solution (table layout)
This was my original answer. It still works fine and is the solution with the widest support. Table-layout w...