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How to overload functions in javascript?
... key value
obj.data("key");
If the first argument passed to .data() is a string and the second argument is undefined, then the caller must be using this form.
// set the value associated with a particular key
obj.data("key", value);
If the second argument is not undefined, then set the value ...
MySQL check if a table exists without throwing an exception
...on table_exist($table){
global $con;
$table = $con->real_escape_string($table);
$sql = "show tables like '".$table."'";
$res = $con->query($sql);
return ($res->num_rows > 0);
}
Hope it helps.
Warning: as sugested by @jcaron this function could be vulnerable to sqli...
Android. WebView and loadData
...sible to use following method for content's setting of a web-view
loadData(String data, String mimeType, String encoding)
9...
How do I remove the last comma from a string using PHP?
...
Use the rtrim function:
rtrim($my_string, ',');
The Second parameter indicates the character to be deleted.
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How to get a tab character?
...ive to be more complete. When I tried the "pre" based answers, they added extra vertical line breaks as well.
Each tab can be converted to a sequence non-breaking spaces which require no wrapping.
"    "
This is not recommended for repeated/extensive use...
What are the best JVM settings for Eclipse? [closed]
...the C launcher shim eclipse.exe will still look for the "Sun Microsystems" string, but with 6u21b7, it will now work - again.
For now, I still keep the -XX:MaxPermSize version (because I have no idea when everybody will launch eclipse the right JDK).
Implicit `-startup` and `--launcher.library`...
What is meant by Resource Acquisition is Initialization (RAII)?
...thing says the resource must be acquired in the constructor. File streams, strings an other containers do that, but the resource might just as well be passed to the constructor, as is usually the case with smart pointers. Since yours is the most-upvoted answer, you might want to fix this.
...
What are best practices for validating email addresses on iOS 2.0
...ution see this modification of DHValidation:
- (BOOL) validateEmail: (NSString *) candidate {
NSString *emailRegex =
@"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}"
@"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\"
@"x7f]|\\\\[\\x01-\\x0...
How to read all files in a folder from Java?
...h .map(Path::toFile) Also .forEach(path -> System.out.println(path.toString()); should be .forEach(path -> System.out.println(path.toString()));
– XaolingBao
Oct 13 '14 at 4:33
...
How to determine MIME type of file in android?
...this:
// url = file path or whatever suitable URL you want.
public static String getMimeType(String url) {
String type = null;
String extension = MimeTypeMap.getFileExtensionFromUrl(url);
if (extension != null) {
type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extensi...