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Homebrew install specific version of formula?
...switch node 0.6.5
Since brew switch just changes the symlinks, it's very fast. See further documentation on the Homebrew Wiki under External Commands.
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Finding a branch point with Git?
...aster because if the master branch is 0 commits ahead of the other branch (fast-forwardable to it), no output would be created. With my solution, no output is created if master is strictly ahead (i.e. the branch has been fully merged), which is what I want.
– Michael Schmeißer...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
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Remove sensitive files and their commits from Git history
... a message indicating that the changes can't be applied because it's not a fast-forward.
To fix this, they'll have to either delete their existing repository and re-clone it, or follow the instructions under "RECOVERING FROM UPSTREAM REBASE" in the git-rebase manpage.
Tip: Execute git rebase --in...
What are the best PHP input sanitizing functions?
...rcing known-numeric data into being an integer or float makes sanitization fast and painless.
What about free-form text fields and textareas? You need to make sure that there's nothing unexpected in those fields. Mainly, you need to make sure that fields that should not have any HTML content do no...
What should every developer know about databases? [closed]
...lex) SQL without knowing more about indexes than "An index makes the query fast".
That's because SQL databases do a very good job working as black-box:
Tell me what you need (gimme SQL), I'll take care of it.
And that works perfectly to retrieve the correct results. The author of the SQL does...
Java 8: performance of Streams vs Collections
...e valid, is overblown. There are plenty of cases where the stream code is faster than the iterative code, largely because per-element access costs is cheaper with streams than with plain iterators. And in many cases, the streams version inlines to something that is equivalent to the hand-written v...
What is the difference between graph search and tree search?
...gical sorting or a property like binary search tree which makes search so fast and easy compared to graphs.
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How to create a MySQL hierarchical recursive query
...store\sort\trace trees. That's more than enough, and works thousands times faster for reading than any other approach.
It also allows to stay on that pattern even if DB will change(as ANY db will allow that pattern to be used)
Use function that determines lineage for specific ID.
Use it as you wish ...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
...e my own proxy.
Now, we can all argue that selects on primary keys are as fast as a query can get and it's not really something to go to great lengths to avoid. But for those of us who can't handle it due to one reason or another, below is an implementation of such a proxy. But before i you see the...