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Confusion between numpy, scipy, matplotlib and pylab

...ort matplotlib.pyplot as plt. Pylab is the same thing as pyplot, but with extra features (its use is currently discouraged). pylab = pyplot + numpy See more information here: Matplotlib, Pylab, Pyplot, etc: What's the difference between these and when to use each? ...
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Do I need all three constructors for an Android custom view?

... can I add extra parameters to constructor and How can I use them ? – Mohammed Subhi Sheikh Quroush Dec 18 '13 at 13:09 ...
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Optimistic vs. Pessimistic locking

...essential that the data is accurately read, with no un-shown changes - the extra locking overhead is worth it. Oh, and Microsoft SQL server defaults to page locking - basically the row you're reading and a few either side. Row locking is more accurate but much slower. It's often worth setting your...
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Re-raise exception with a different type and message, preserving existing information

...ng the exception; it's specifically about not handling it, but adding some extra information (an additional class and a new message) so that it can be handled further up the call stack. – bignose Apr 27 '09 at 3:24 ...
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Do I cast the result of malloc?

...that pesky stdlib.h is the REAL important thing to remember!" It forces an extra cognitive cross-check. It puts the (alleged) desired type right next to the arithmetic you're doing for the raw size of that variable. I bet you could do an SO study that shows that malloc() bugs are caught much faster ...
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Best way to remove from NSMutableArray while iterating?

... Extra memory needs to be allocated to do inverse. It's not an in-place algorithm and not a good idea in some cases. When you remove directly you just shift the array (which is very efficient since it won't move one by one, it...
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Add EBS to Ubuntu EC2 Instance

...! I was totally confused by the /mnt directory and wrongly assumed that my extra EBS volume (/dev/xvdf) that I told AWS to attach at instance creation was already mounted. Also, the mapping between what AWS shows (/dev/sdf) and (/dev/xvdf) that exists on ubuntu tripped me up. –...
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Switch on ranges of integers in JavaScript [duplicate]

...: alert("none"); break; } Keep in mind that this adds an extra point of human error - someone may try to update a range, but forget to change it in both places, leaving an overlap or gap that is not covered. e.g. here the case of 8 will now not match anything when I just edit the c...
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Best Practices for securing a REST API / web service [closed]

...the caller already knows that credentials are required, Digest requires an extra roundtrip to exchange the nonce value. With Basic, the callers simply sends the credentials the first time. Once the identity of the client is established, authorization is really just an implementation problem. Howeve...
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Proper Repository Pattern Design in PHP?

...ximum performance, controllers should only receive the data they need—no extra fields. Implementation should leverage some type of data mapper for ease of development. Implementation should have the ability to perform complex data lookups. The Solution I'm splitting my persistent storage (datab...