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For..In loops in JavaScript - key value pairs
I was wondering if there's a way to do something like a PHP foreach loop in JavaScript. The functionality I'm looking for is something like this PHP Snippet:
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Clean ways to write multiple 'for' loops
...gt; myData;
public:
// ...
int& operator()( int i, int j, int k )
{
return myData[ ((i * y) + j) * z + k ];
}
};
Or if you want to index using [][][], you need an operator[]
which returns a proxy.
Once you've done this, if you find that you constantly have to
iterate ...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
I had an interesting job interview experience a while back. The question started really easy:
47 Answers
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How to dump a table to console?
...aying the contents of a table which contains nested tables (n-deep). I'd like to just dump it to std out or the console via a print statement or something quick and dirty but I can't figure out how. I'm looking for the rough equivalent that I'd get when printing an NSDictionary using gdb.
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Java 8 NullPointerException in Collectors.toMap
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You can work around this known bug in OpenJDK with this:
Map<Integer, Boolean> collect = list.stream()
.collect(HashMap::new, (m,v)->m.put(v.getId(), v.getAnswer()), HashMap::putAll);
It is not that much pretty, but it...
What are the differences between a multidimensional array and an array of arrays in C#?
... int32 'value') cil managed
{
// Code size 7 (0x7)
.maxstack 8
IL_0000: ldarg.0
IL_0001: ldarg.1
IL_0002: ldelem.ref
IL_0003: ldarg.2
IL_0004: ldarg.3
IL_0005: stelem.i4
IL_0006: ret
} // end of method Program::SetElementAt
.method private hidebysig static void...
How do I sort a list of dictionaries by a value of the dictionary?
...
It may look cleaner using a key instead a cmp:
newlist = sorted(list_to_be_sorted, key=lambda k: k['name'])
or as J.F.Sebastian and others suggested,
from operator import itemgetter
newlist = sorted(list_to_be_sorted, key=itemgett...
Check free disk space for current partition in bash
...irectory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file systems, but I was wondering if there was a way to get the free space just for the partition that the target directory is on.
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How to go about formatting 1200 to 1.2k in java
I'd like to format following numbers into the numbers next to them with java:
23 Answers
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Flatten nested dictionaries, compressing keys
Suppose you have a dictionary like:
28 Answers
28
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