大约有 40,000 项符合查询结果(耗时:0.0305秒) [XML]
Google Maps v3 - limit viewable area and zoom level
...n a LatLngBounds object and then use the contains() method to check if the new lat/lng center is within the bounds.
You can also limit the zoom level very easily.
Consider the following example: Fiddle Demo
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" co...
Current time formatting with Javascript
...nday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
var d = new Date();
var day = days[d.getDay()];
var hr = d.getHours();
var min = d.getMinutes();
if (min < 10) {
min = "0" + min;
}
var ampm = "am";
if( hr > 12 ) {
hr -= 12;
ampm = "pm";
}
var date = d....
What is the most efficient/elegant way to parse a flat table into a tree?
...
@Reza, so that if you add a new child node, you can query for all descendants of (1) and those are the ancestors of the new child.
– Bill Karwin
Nov 9 '15 at 22:52
...
How do I cast a variable in Scala?
...given type:
g match {
case g2: Graphics2D => g2
case _ => throw new ClassCastException
}
This block replicates the semantics of the asInstanceOf[Graphics2D] method, but with greater flexibility. For example, you could provide different branches for various types, effectively performing...
In MySQL, can I copy one row to insert into the same table?
...
I'm assuming you want the new record to have a new primarykey? If primarykey is AUTO_INCREMENT then just do this:
INSERT INTO table (col1, col2, col3, ...)
SELECT col1, col2, col3, ... FROM table
WHERE primarykey = 1
...where col1, col2, col3, .....
Create request with POST, which response codes 200 or 201 and content
Suppose I write a REST service whose intent is to add a new data item to a system.
7 Answers
...
What is the meaning of “$” sign in JavaScript
... is a string interpolation operator in a template "literal" eg.
var s = "new" ; // you can put whatever you think appropriate here.
var s2 = `There are so many ${s} ideas these days !!` ; //back-ticks not quotes
console.log(s2) ;
result:
There are so many new ideas these days !!
...
Positioning a div near bottom side of another div
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f857916%2fpositioning-a-div-near-bottom-side-of-another-div%23new-answer', 'question_page');
}
);
...
Spring MVC @PathVariable with dot (.) is getting truncated
... have a trailing slash - something that may not be apparent to API users / new developers. Because it's likely not all parameters may have a . in them, it may also create intermittent bugs
share
|
i...
Change one value based on another value in pandas
...stName']] = 'Matt', 'Jones'
Note that you'll need pandas version 0.11 or newer to make use of loc for overwrite assignment operations.
Another way to do it is to use what is called chained assignment. The behavior of this is less stable and so it is not considered the best solution (it is expli...