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Randomize a List
...uffle();
The code above uses the much criticised System.Random method to select swap candidates. It's fast but not as random as it should be. If you need a better quality of randomness in your shuffles use the random number generator in System.Security.Cryptography like so:
using System.Security....
LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
...default is INNER if you just specify JOIN. In other words, this is legal:
SELECT *
FROM A JOIN B ON A.X = B.Y
Here's a list of equivalent syntaxes:
A LEFT JOIN B A LEFT OUTER JOIN B
A RIGHT JOIN B A RIGHT OUTER JOIN B
A FULL JOIN B A FULL OUTER JOIN B
A INNER JOIN...
Android file chooser [closed]
...ent in an Intent.createChooser() like this:
private static final int FILE_SELECT_CODE = 0;
private void showFileChooser() {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
intent.addCategory(Intent.CATEGORY_OPENABLE);
try {
startActivityForR...
How can I delete the current line in Emacs?
...lest way to delete (kill) a full line, from any point
on the line, without selecting anything, is:
C-w ; kill-region
It is versatile in deleting whatever is selected, or a line by default
if nothing is selected.
Given the question, you're probably also interested in replicating
Vim's "yank", yy...
How to build a Debian/Ubuntu package from source?
...edge might be out of date on this one, but to address both:
Use dpkg --set-selections. Assuming nullidentd was the package you wanted to stay put, run as root
echo 'nullidentd hold' | dpkg --set-selections
Alternately, since you are building from source, you can use an epoch to set the version n...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
... SET NAMES utf8
# query before fetching rows to index
sql_query = SELECT *, id AS pid, CRC32(safetag) as safetag_crc32 FROM hb_posts
sql_attr_uint = pid
# pid (as 'sql_attr_uint') is necessary for sphinx
# this field must be unique
# that is why I like sphinx
# you ...
Change Placeholder Text using jQuery
... Note for OP: Also note that the change event is hooked to the select box, not the text input. $('#serMemdd').change(function () {
– Benjam
Feb 10 '12 at 18:51
...
how to set textbox value in jquery
...tched element.
You cannot set the value of a textbox with that method.
$(selector).load() returns the a jQuery object. By default an object is converted to [object Object] when treated as string.
Further clarification:
Assuming your URL returns 5.
If your HTML looks like:
<div id="foo"&g...
Showing the same file in both columns of a Sublime Text window
...Inside sublime editor,Find the Tab named View,
View --> Layout --> "select your need"
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Xcode 4: How do you view the console?
...nces -> Alerts and click on 'Run starts' on the left hand column.
Then select 'Show Debugger' and when you run the app the NSLog output will be displayed below the editor pane.
This way you don't have to select on the 'up arrow' button at the bottom bar.
...