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What does “static” mean in C?
...
There is one more use not covered here, and that is as part of an array type declaration as an argument to a function:
int someFunction(char arg[static 10])
{
...
}
In this context, this specifies that arguments passed to this function must be an array of type char with at least 10 e...
using lodash .groupBy. how to add your own keys for grouped output?
...: "77"
}];
console.log(
_.chain(data)
// Group the elements of Array based on `color` property
.groupBy("color")
// `key` is group's name (color), `value` is the array of objects
.map((value, key) => ({ color: key, users: value }))
.value()
);
<script src="htt...
Copy a variable's value into another
...ll do exactly the same thing. But if your object contains other objects or arrays nested inside it, then a shallow copy doesn't copy those nested objects, it merely creates references to them. So you could have the same problem with nested objects that you had with your top-level object. For example...
Java: how can I split an ArrayList in multiple small ArrayLists?
How can I split an ArrayList (size=1000) in multiple ArrayLists of the same size (=10) ?
18 Answers
...
how to return index of a sorted list? [duplicate]
...
You can use the python sorting functions' key parameter to sort the index array instead.
>>> s = [2, 3, 1, 4, 5]
>>> sorted(range(len(s)), key=lambda k: s[k])
[2, 0, 1, 3, 4]
>>>
share
...
Is there a JavaScript function that can pad a string to get to a determined length?
... method
If you are doing this repeatedly, for example to pad values in an array, and performance is a factor, the following approach can give you nearly a 100x advantage in speed (jsPerf) over other solution that are currently discussed on the inter webs. The basic idea is that you are providing th...
How to parse Excel (XLS) file in Javascript/HTML5
... is your object
var XL_row_object = XLSX.utils.sheet_to_row_object_array(workbook.Sheets[sheetName]);
var json_object = JSON.stringify(XL_row_object);
console.log(json_object);
})
};
reader.onerror = function(ex) {
console.log(ex);
};
reader.re...
那些我印象深刻的建议和教诲 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...到头绪在做“忍者神龟”，那天晚上我就在办公室疯狂地使用Google来搜索，到凌晨1点左右终于找到了头绪。窗外是漆黑的北京城，但我仿佛看到了黎明的曙光。从此，也染上了多用Google的“恶习”。
现在你们终于可以拿公司的...
Handling optional parameters in javascript
...
So use the typeof operator to determine if the second parameter is an Array or function.
This can give some suggestions:
http://www.planetpdf.com/developer/article.asp?ContentID=testing_for_object_types_in_ja
I am not certain if this is work or homework, so I don't want to give you the answer...
How do I grab an INI value within a shell script?
...o access variables, you simply printing them: echo $var1. You may also use arrays as shown above (echo ${IPS[@]}).
If you only want a single value just grep for it:
source <(grep var1 file.ini)
For the demo, check this recording at asciinema.
It is simple as you don't need for any external libra...