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Returning a C string from a function
...should be in order.
In C (& C++ for that matter), a string is just an array of bytes terminated with a zero byte - hence the term "string-zero" is used to represent this particular flavour of string. There are other kinds of strings, but in C (& C++), this flavour is inherently understood b...
How to remove all null elements from a ArrayList or String Array?
...ng.UnsupportedOperationException for immutable lists (such as created with Arrays.asList); see this answer for more details.
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Why is processing a sorted array faster than processing an unsorted array?
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Branch prediction.
With a sorted array, the condition data[c] >= 128 is first false for a streak of values, then becomes true for all later values. That's easy to predict. With an unsorted array, you pay for the branching cost.
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Query for documents where array size is greater than 1
...r-side processing page
for more information.
2.Create extra field NamesArrayLength, update it with names array length and then use in queries:
db.accommodations.find({"NamesArrayLength": {$gt: 1} });
It will be better solution, and will work much faster (you can create index on it).
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How to use Jackson to deserialise an array of objects
...ata binding documentation indicates that Jackson supports deserialising "Arrays of all supported types" but I can't figure out the exact syntax for this.
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Are trailing commas in arrays and objects part of the spec?
...as just:
ObjectLiteral :
{ }
{ PropertyNameAndValueList }
For arrays literals (Section 11.1.4) it is even more interesting (Update: this already existed in ES3):
ArrayLiteral :
[ Elisionopt ]
[ ElementList ]
[ ElementList , Elision_opt ]
(where Elision_opt is Elisionopt, ...
How do I create JavaScript array (JSON format) dynamically?
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Our array of objects
var someData = [
{firstName: "Max", lastName: "Mustermann", age: 40},
{firstName: "Hagbard", lastName: "Celine", age: 44},
{firstName: "Karl", lastName: "Koch", age: 42},
];
with for...in
var em...
Creating dataframe from a dictionary where entries have different lengths
Say I have a dictionary with 10 key-value pairs. Each entry holds a numpy array. However, the length of the array is not the same for all of them.
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Initial size for the ArrayList
You can set the initial size for an ArrayList by doing
15 Answers
15
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Pad a number with leading zeros in JavaScript [duplicate]
...z) {
z = z || '0';
n = n + '';
return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
}
When you initialize an array with a number, it creates an array with the length set to that value so that the array appears to contain that many undefined elements. Though some Arr...