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Does running git init twice initialize a repository or reinitialize an existing repo?
... points to somewhere else, the existing .git directory will be moved there and replaced by a link.
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Ruby / Rails: convert int to time OR get time from integer?
...]) => time: Creates a new time object with the given number of seconds (and optional microseconds) from epoch.
API links
ruby-doc.org/core/classes/Time
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What is the difference between public, private, and protected?
When and why should I use public , private , and protected functions and variables inside a class? What is the difference between them?
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
Below is the error message I receive in the debug area. It runs fine and nothing is wrong except that I receive this error. Would this prevent apple accepting the app? How do I fix it?
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When to use CouchDB over MongoDB and vice versa
...Quick reference, the Visual Guide To NoSQL Systems
MongodB : Consistency and Partition Tolerance
CouchDB : Availability and Partition Tolerance
A blog post, Cassandra vs MongoDB vs CouchDB vs Redis vs Riak vs HBase vs Membase vs Neo4j comparison has 'Best used' scenarios for each NoSQL database ...
How can I easily view the contents of a datatable or dataview in the immediate window
Sometimes I will be at a breakpoint in my code and I want to view the contents of a DataTable variable (or a DataTable in a DataSet ). The quick watch doesn't give you a very clear view of the contents. How can I view them easily?
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Only read selected columns
...able() to skip columns. Here the data in the first 7 columns are "integer" and we set the remaining 6 columns to "NULL" indicating they should be skipped
> read.table("data.txt", colClasses = c(rep("integer", 7), rep("NULL", 6)),
+ header = TRUE)
Year Jan Feb Mar Apr May Jun
1 2009...
.NET XML serialization gotchas? [closed]
...t want the BOM. Notice the clear, obvious difference between Encoding.UTF8 and UTF8Encoding.
The three extra BOM Bytes at the beginning are (0xEFBBBF) or (239 187 191).
Reference: http://chrislaco.com/blog/troubleshooting-common-problems-with-the-xmlserializer/
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Android Camera Preview Stretched
I've been working on making my custom camera activity on Android, but when rotating the camera, the aspect ratio of the surface view gets messed up.
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How to find the files that are created in the last hour in unix
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This is great and all, but these flags don't exist on Solaris find that I'm using. OP said Unix and I think these are Linux only.
– jiggy
Apr 17 '14 at 19:53
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