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What's the idiomatic syntax for prepending to a short python list?

... element will be prepended one at a time, thus effectively reversing their order. Performance of list versus deque First we setup with some iterative prepending: import timeit from collections import deque def list_insert_0(): l = [] for i in range(20): l.insert(0, i) def list_s...
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How to write a large buffer into a binary file in C++, fast?

... Try the following, in order: Smaller buffer size. Writing ~2 MiB at a time might be a good start. On my last laptop, ~512 KiB was the sweet spot, but I haven't tested on my SSD yet. Note: I've noticed that very large buffers tend to decrease pe...
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What does “abstract over” mean?

...ly. Scala allows you to abstract over type parameters, by allowing higher-order type parameters. Scala allows you to abstract over data access patterns, by allowing you to create extractors. Scala allows you to abstract over "things that can be used as something else", by allowing implicit conver...
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and

...5 Binary Formatter 748 0.0344 Options: (T)est, (R)esults, s(O)rt order, (S)erializer output, (D)eserializer output (in JSON form), (E)xit Serialized via ASN.1 DER encoding to 148 bytes in 0.0674ms (hacked experiment!) ...
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How to encrypt/decrypt data in php?

... = openssl_random_pseudo_bytes(openssl_cipher_iv_length("AES-256-CBC")) in order to indicate the link between iv's size to use with the cipher used. You could also expand a bit on the need (or not) of pkcs7_pad()/pkcs7_unpad(), or just simplify the post by getting rid of them and use "aes-256-ctr". ...
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Best way to change the background color for an NSView

... layer-backed views you should never interact directly with the layer. The order of when setWantsLayer: and setLayer: is called is relevant. – Stephan Sep 14 '13 at 7:59 ...
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Using GPU from a docker container?

...he date. These 2 numbers are called major and minor numbers (wrote in that order) and design a device. We will just use the major numbers for convenience. Why do we activated lxc driver? To use the lxc conf option that allow us to permit our container to access those devices. The option is : (i rec...
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How to move a model between two Django apps (Django 1.7)

..., from an SQL point of view you can apply the trick of this answer. But in order to achieve this only via Django, one approach I can think of would be along the lines of @ozan answer, except the first step would be to duplicate the tables involved in MTM relationship (one version of the dupes in eac...
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Drawing an SVG file on a HTML5 canvas

... You can also use Data URI's in order to do this: jsfiddle.net/020k543w – Swivel Jul 24 '16 at 20:52 ...
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Best way to hide a window from the Alt-Tab program switcher?

... Also need to set ShowInTaskbar to false in order for this to work. – Nick Spreitzer Aug 23 '13 at 19:00 add a comment  |  ...