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How to access a dictionary element in a Django template?
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Use collections.OrderedDict to control the order of the iteration
– dnalow
Jan 7 '15 at 11:35
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Why and when to use Node.js? [duplicate]
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Probably re-order those. Code re-use isn't that big of a deal. Evented non-blocking IO and a really fast scalable server is a big deal.
– Raynos
Apr 11 '11 at 9:09
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case-insensitive list sorting, without lowercasing the result?
...e lowercase 'b' because Python's sort() and sorted() preserve the original order when strings match. In this case the capital 'B' is considered to match the lowercase 'b' when using casefold. This always happens if you convert case in order to compare: sorted(spam, key=str.lower) or sorted(spam, key...
How to fix the flickering in User controls
...d accessing their DoubleBuffered property and then we change it to true in order to make each control on the form double buffered. The reason we do reflection here, is because imagine you have a control that has child controls that are not accessible, that way, even if they're private controls, we'l...
What are the benefits of Java's types erasure?
...ersal (∀) and existential (∃) quantification from something like first-order logic.
Using type systems for reasoning
These goals can be very nicely addressed by type systems. This is especially clear because of the Curry-Howard correspondence. This correspondence is often expressed with the fo...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...e, and is better for modern high-performance CPUs where latency and out-of-order execution matter. (The i386 ABI is very old).
In this new mechanism: First the parameters are divided into classes. The class of each parameter determines the manner in which it is passed to the called function.
For ...
How to compare 2 files fast using .NET?
... comparison will most likely be slower than a byte-by-byte comparison.
In order to generate a checksum, you'll need to load each byte of the file, and perform processing on it. You'll then have to do this on the second file. The processing will almost definitely be slower than the comparison chec...
Cost of exception handlers in Python
...cit if as long as the condition is not met.
But it's all within the same order of magnitude and unlikely to matter either way. Only if the condition is actually met, then the if version is significantly faster.
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How to get first record in each group using Linq
...y element.F1
into groups
select groups.OrderBy(p => p.F2).First();
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ExecutorService, how to wait for all tasks to finish
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What if in order for a task to finish it must schedule further tasks? For example, you could make a multithreaded tree traversal which hands off branches to worker threads. In that case, since the ExecutorService is shut down instantly ...