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Determine which JAR file a class is from
...ed by bootstrap classloader. The other way to determine is:
Class klass = String.class;
URL location = klass.getResource('/' + klass.getName().replace('.', '/') + ".class");
As notnoop pointed out klass.getResource() method returns the location of the class file itself. For example:
jar:file:/j...
How can I use mySQL replace() to replace strings in multiple records?
...
At a very generic level
UPDATE MyTable
SET StringColumn = REPLACE (StringColumn, 'SearchForThis', 'ReplaceWithThis')
WHERE SomeOtherColumn LIKE '%PATTERN%'
In your case you say these were escaped but since you don't specify how they were escaped, let's say they wer...
Custom toast on Android: a simple example
...e Java method (just pass toast message to this method):
public void toast(String message)
{
Toast toast = new Toast(context);
View view = LayoutInflater.from(context).inflate(R.layout.image_custom, null);
TextView textView = (TextView) view.findViewById(R.id.custom_toast_text);
text...
Oracle query to fetch column names
...ific user. in your case, I'd imagine the query would look something like:
String sqlStr= "
SELECT column_name
FROM all_tab_cols
WHERE table_name = 'USERS'
AND owner = '" +_db+ "'
AND column_name NOT IN ( 'PASSWORD', 'VERSION', 'ID' )"
Note that with this approach, you risk SQL injection....
How to get datetime in JavaScript?
...emantically, you're probably looking for the one-liner
new Date().toLocaleString()
which formats the date in the locale of the user.
If you're really looking for a specific way to format dates, I recommend the moment.js library.
...
Best way to add comments in erb
..."www.some-url.com"> <input id="data" name="data" value="<%=# "String" %>"> <input type="submit" value="Send"> </form> </body> </html> throws an error
– Epigene
Feb 26 '15 at 11:14
...
Date only from TextBoxFor()
...Name("Start Date")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:yyyy-MM-dd}")]
public DateTime StartDate { get; set; }
Then:
<%=Html.EditorFor(m => m.StartDate) %>
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When should I use require() and when to use define()?
...n that handles definitions of modules. Differs from
* require() in that a string for the module should be the first argument,
* and the function to execute after dependencies are loaded should
* return a value to define the module corresponding to the first argument's
* name.
*/
The define() ...
Difference between EXISTS and IN in SQL?
...turns purely Boolean values, which is always faster than having to compare strings or values larger than a BIT/Boolean type. IN may or may not be a Boolean comparison. Since programming prefers EXPLICIT usage for stability (part of ACID), EXISTS is preferred generally.
– clift...
Replace only text inside a div using jquery
...
You need to set the text to something other than an empty string. In addition, the .html() function should do it while preserving the HTML structure of the div.
$('#one').html($('#one').html().replace('text','replace'));
...