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How does the Java 'for each' loop work?
... is an array rather than an Iterable object, the internal code uses an int index counter and checks against array.length instead. See the Java Language Specification.
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Passing arrays as parameters in bash
...call.
The ! in ${!1} expands the arg 1 variable.
declare -a just makes the indexed array explicit, it is not strictly necessary.
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Making an array of integers in iOS
.../ to get one of them
NSLog (@"The 4th integer is: %@", [myIntegers objectAtIndex:3]);
// or
NSLog (@"The 4th integer is: %d", [[myIntegers objectAtIndex:3] integerValue]);
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How to index characters in a Golang string?
...
Try this to get the charecters by their index
package main
import (
"fmt"
"strings"
)
func main() {
str := strings.Split("HELLO","")
fmt.Print(str[1])
}
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How do I base64 encode (decode) in C?
...n array of 256, since char is signed on most architectures, you are really indexing from -128 to 127. Any character with the high bit set will cause you to read outside the allocated memory. Forcing the data lookup to be an unsigned char clears that up. You still get garbage out for garbage in, but ...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
...d replacements.
Another often encountered rule is this:
RewriteRule (.*) index.php?url=$1
This, again, matches anything and rewrites it to the file index.php with the originally requested URL appended in the url query parameter. I.e., for any and all requests coming in, the file index.php is exe...
How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
...ce, to set the id attribute value of a div element, so that it contains an index, a view fragment might contain
<div ng-attr-id="{{ 'object-' + myScopeObject.index }}"></div>
which would get interpolated to
<div id="object-1"></div>
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Typical AngularJS workflow and project structure (with Python Flask)
...templates and stay away from server-side templates. Using render_template('index.html') will cause Flask to interpret your angular templates as jinja templates, so they won't render correctly. Instead, you'll want to do the following:
@app.route("/")
def index():
return send_file('templates/ind...
How to get position of a certain element in strings vector, to use it as an index in ints vector?
I am trying to get the index of an element in a vector of strings , to use it as an index in another vector of int type, is this possible ?
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Adding a column to a data.frame
..." section of the relevant help text, [[.data.frame.
Data frames can be indexed in several modes. When [ and [[ are used with a single vector index (x[i] or x[[i]]), they index the data frame as if it were a list.
my.dataframe["new.col"] <- a.vector
my.dataframe[["new.col"]] <- a.vector
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