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Java Delegates?
...mplementation is very specific to the current context and wouldn't benefit from being reused.
And then of course in Java 8, these do become basically lambda expressions:
// Java 8
SomeMethod(() -> { /* your implementation */ });
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When should I use double or single quotes in JavaScript?
... with this one. Sure pick a preferred style, but if you need to break away from the style to save escaping lots of quotes in one string. I'd be OK with that.
– Martin Clarke
May 2 '09 at 8:11
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How to check if a number is between two values?
...'m telling the browser to do something if the window size is greater than 500px. I do it like so:
7 Answers
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Java's final vs. C++'s const
... a new object, but it is not immutable - there is nothing stopping someone from calling any set methods.
final Person person = myself;
person = otherPerson; //Invalid
person.setAge(20); //Valid!
Java has no inherent way of declaring objects immutable; you need to design the class as immutable you...
What is the difference between vmalloc and kmalloc?
...memory in a system call? Is there any reason I couldn't just use vmalloc?
From Google's "I'm Feeling Lucky" on vmalloc:
kmalloc is the preferred way, as long as you don't need very big areas. The trouble is, if you want to do DMA from/to some hardware device, you'll need to use kmalloc, and you'll...
Create numpy matrix filled with NaNs
...s posted by Blaenk:
$ python -mtimeit "import numpy as np; a = np.empty((100,100));" "a.fill(np.nan)"
10000 loops, best of 3: 54.3 usec per loop
$ python -mtimeit "import numpy as np; a = np.empty((100,100));" "a[:] = np.nan"
10000 loops, best of 3: 88.8 usec per loop
The timings show a preferen...
A clean, lightweight alternative to Python's twisted? [closed]
... to Eventlet in this way.
The downside is that its API is quite different from Python's sockets/threading modules; you need to rewrite a fair bit of your application (or write a compatibility shim layer)
Edit: It seems that there's also cogen, which is similar, but uses Python 2.5's enhanced gener...
Single vs Double quotes (' vs ")
...nt: Just did a quick test on a 1823 bytes js file (a random Backbone Model from a random application). The gzip output if all of the quotes are the same (either ' or ") was 809 bytes. Mixing them pushed the output up to 829 bytes. This may be irrelevant to you but that doesn't mean that it's irrelev...
Long-held, incorrect programming assumptions [closed]
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That I should have only one exit point from a function/method.
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answered May 20 '09 at 17:17
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Security of REST authentication schemes
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certs from startcom are free and widely recognized. cacert.org is an open alternative with less recognition
– Dima Tisnek
Mar 1 '12 at 13:08
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