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Does Javascript pass by reference? [duplicate]
...es _not_ affect the object passed
}
function update(ref) {
ref.key = 'newvalue'; // this code _does_ affect the _contents_ of the object
}
var a = { key: 'value' };
replace(a); // a still has its original value - it's unmodfied
update(a); // the _contents_ of 'a' are changed
...
plupload图片上传插件的使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
</div>
</div>
2.js部分
$(function () {
var uploader = new plupload.Uploader({
runtimes: 'html5,flash,silverlight,html4',
browse_button: 'pickfiles', // you can pass in id...
container: document.getElementById('uploader'), // ... or DOM Elem...
How to Get the Title of a HTML Page Displayed in UIWebView?
...
For those who just scroll down to find the answer:
- (void)webViewDidFinishLoad:(UIWebView *)webView{
NSString *theTitle=[webView stringByEvaluatingJavaScriptFromString:@"document.title"];
}
This will always work as there is no way to turn off Javascript in UIWebView.
...
MySQL, Check if a column exists in a table with SQL
...name` LIMIT 1");
$mycol = mysql_fetch_array($chkcol);
if(!isset($mycol['my_new_column']))
mysql_query("ALTER TABLE `my_table_name` ADD `my_new_column` BOOL NOT NULL DEFAULT '0'");
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improve...
NoSql vs Relational database
...h of the take-off can be related to this history. Scaling Google took some new ideas at Google and everyone else follows suit because this is the only solution they know to the scaling problem right now. Hence, you are willing to rework everything around the distributed database idea of Google becau...
What is the “continue” keyword and how does it work in Java?
...to correctly answer what the following code will generate.
Random r = new Random();
Set<Integer> aSet= new HashSet<Integer>();
int anInt;
do {
anInt = r.nextInt(10);
if (anInt % 2 == 0)
continue;
System.out.println(anInt);
} while ...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
...
I didn't know that unsigned types are available only in MySQL, this is a huge advantage of MySQL over other RDBMS. Anything changed since the day this answer posted?
– biox
Sep 20 '13 at 17...
Cannot open include file 'afxres.h' in VC2010 Express
...tatic is defined within th original afxres.h file, but how to resolve this new error ?
– hashDefine
Jun 27 '13 at 10:50
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Error on pod install
... manually delete any local copies of the Specs repository and re-clone the new version of the Specs repository. You can do that with the following commands:
$ sudo rm -fr ~/.cocoapods/repos/master
$ pod setup
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What's the best way of implementing a thread-safe Dictionary?
...: IDictionary<TKey, TValue>
{
private readonly object syncRoot = new object();
private Dictionary<TKey, TValue> d = new Dictionary<TKey, TValue>();
public void Add(TKey key, TValue value)
{
lock (syncRoot)
{
d.Add(key, value);
}
...