大约有 6,886 项符合查询结果(耗时:0.0281秒) [XML]
Get the last item in an array
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if (loc_array[loc_array.length - 1] === 'index.html') {
// do something
} else {
// something else
}
In the event that your server serves the same file for "index.html" and "inDEX.htML" you can also use: .toLowerCase().
Though, you might want to consider do...
Can a pointer to base point to an array of derived objects?
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You cannot index like that. You have allocated an array of Rectangles and stored a pointer to the first in shapes. When you do shapes[1] you're dereferencing (shapes + 1). This will not give you a pointer to the next Rectangle, but a po...
How to slice an array in Bash
...rns the contents of the array, :1:2 takes a slice of length 2, starting at index 1.
A=( foo bar "a b c" 42 )
B=("${A[@]:1:2}")
C=("${A[@]:1}") # slice to the end of the array
echo "${B[@]}" # bar a b c
echo "${B[1]}" # a b c
echo "${C[@]}" # bar a b c 42
echo "${C[@]...
Real life example, when to use OUTER / CROSS APPLY in SQL
...ifferently. That article was sent from the heavens!! The focus on proper indexing matching the order by directions helped in a big way for queries that have "proper" structure but performance issues when queried. Thank you for including it!!
– Chris Porter
A...
Boolean Field in Oracle
...r using Y and NULL as the values. This makes for a very small (read fast) index that takes very little space.
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Add new value to an existing array in JavaScript [duplicate]
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array.unshift("value2");
array.unshift("value3");
Adding values at some index:
var array = [];
array[index] = "value1";
or by using splice
array.splice(index, 0, "value1", "value2", "value3");
Choose one you need.
s...
PHP Remove elements from associative array
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Your array is quite strange : why not just use the key as index, and the value as... the value ?
Wouldn't it be a lot easier if your array was declared like this :
$array = array(
1 => 'Awaiting for Confirmation',
2 => 'Asssigned',
3 => 'In Progress',
4...
Java: how to convert HashMap to array
...ys = new String[map.size()];
Object[] values = new Object[map.size()];
int index = 0;
for (Map.Entry<String, Object> mapEntry : map.entrySet()) {
keys[index] = mapEntry.getKey();
values[index] = mapEntry.getValue();
index++;
}
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How to get a value from a cell of a dataframe?
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@AtteJuvonen That depends if you have duplicates in your index/columns (note at/iat raises an exception with duplicate columns, will file an issue).
– Andy Hayden
Feb 6 '17 at 19:30
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Make elasticsearch only return certain fields?
I'm using elasticsearch to index my documents.
12 Answers
12
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