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Django: Get an object form the DB, or 'None' if nothing matches
... cases where your logic expects there to be only a single object (which is selected by first()), but in reality multiple objects exist. Using get() instead of first() gives you an extra layer of protection, by raising MultipleObjectsReturned(). If the result being returned is not expected to return ...
How do I remove files saying “old mode 100755 new mode 100644” from unstaged changes in Git?
...lemode false
Add in ~/.gitconfig:
[core]
filemode = false
Just select one of them.
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How to convert UTF-8 byte[] to string?
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LINQ it: var decBytes2 = str.Split('-').Select(ch => Convert.ToByte(ch, 16)).ToArray();
– drtf
Jul 13 '14 at 14:43
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How to paginate with Mongoose in Node.js?
... perPage = 10
, page = Math.max(0, req.param('page'))
Event.find()
.select('name')
.limit(perPage)
.skip(perPage * page)
.sort({
name: 'asc'
})
.exec(function(err, events) {
Event.count().exec(function(err, count) {
res.render('events', {
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Java : How to determine the correct charset encoding of a stream
...ch present you a snippet of the file in different encodings and ask you to select the "correct" one.
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Best database field type for a URL
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The URL really might break the 65,535 byte row limit
Your queries won't select or update a bunch of URLs at once (or very often). This is because TEXT columns just hold a pointer inline, and the random accesses involved in retrieving the referenced data can be painful.
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Can I disable a CSS :hover effect via JavaScript?
... you can also copy the same style with a different name and using jquery select all the elements with that class and remove the class and replace with the copy class.
– chepe263
Apr 11 '12 at 20:47
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Memcached vs. Redis? [closed]
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Use Redis if
You require selectively deleting/expiring items in the cache. (You need this)
You require the ability to query keys of a particular type. eq. 'blog1:posts:*', 'blog2:categories:xyz:posts:*'. oh yeah! this is very important. Use this to i...
Binary Data in MySQL [closed]
... mysql_connect("localhost", "root", "password");
mysql_select_db("binary_data");
$data = mysql_real_escape_string(fread(fopen($form_data, "r"), filesize($form_data)));
$result = mysql_query("INSERT INTO binary_data (description, bin_data, filenam...
How to get a table cell value using jQuery?
...p the class attribute with it.
By the way, I think you could do it in one selector:
$('#mytable .customerIDCell').each(function() {
alert($(this).html());
});
If that makes things easier.
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