大约有 42,000 项符合查询结果（耗时：0.0509秒） [XML]
Remove last item from array
...n.js"></script>
<b>Original Array : </b>
<div id="div1"></div>
<br/>
<b>After slice(0, -1): </b>
<div id="div2"></div>
instead of doing :
arr.slice(-1); // returns [2]
Here is a demo:
var arr = [1, 0, 2];
var ne...
What does [object Object] mean?
...aling with jQuery objects, you might want to do
alert(whichIsVisible()[0].id);
to print the element's ID.
As mentioned in the comments, you should use the tools included in browsers like Firefox or Chrome to introspect objects by doing console.log(whichIsVisible()) instead of alert.
Sidenote: I...
Does IMDB provide an API? [closed]
...//www.imdb.com/xml/find?xml=1&nr=1&tt=on&q=lost
Format: XML
Upside: Supports both film titles and actor names (unlike Suggestions API).
Beware that these APIs are unofficial and could change at any time!
Update (January 2019): The Advanced API no longer exists. The good news is, t...
How to remove a column from an existing table?
... By the way, you can call these types of "re-runnable" scripts/functions Idempotent
– tomosius
Nov 25 '16 at 20:12
...
Converting XML to JSON using Python?
... some understanding of what you want to do with the results.
That being said, Python's standard library has several modules for parsing XML (including DOM, SAX, and ElementTree). As of Python 2.6, support for converting Python data structures to and from JSON is included in the json module.
So th...
Why use multiple columns as primary keys (composite primary key)
...nerated (non-intelligent) primary key, for example in this case OrderDetailId. But then you would not always see the relationship as easily. Some folks prefer one way; some prefer the other way.
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MySQL dump by query
... wanted to just mysqldump all tables.
mysqldump --tables myTable --where="id < 1000"
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Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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How do I avoid capturing self in blocks when implementing an API?
...Complete];
}
The __block keyword marks variables that can be modified inside the block (we're not doing that) but also they are not automatically retained when the block is retained (unless you are using ARC). If you do this, you must be sure that nothing else is going to try to execute the block ...
Detect changed input text box
...nge",function () {
alert("Input Changed");
})
Or like this:
<input id="inputDatabaseName" onchange="youFunction();"
onkeyup="this.onchange();" onpaste="this.onchange();" oninput="this.onchange();"/>
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