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How to perform OR condition in django queryset?
...st_name__startswith='D'
)
leads to
In [5]: str(queryset.query)
Out[5]: 'SELECT "auth_user"."id", "auth_user"."password", "auth_user"."last_login",
"auth_user"."is_superuser", "auth_user"."username", "auth_user"."first_name",
"auth_user"."last_name", "auth_user"."email", "auth_user"."is_staff",
"a...
Disable ALL CAPS menu items in Visual Studio 2013
... menus back.
First Variant: Since Package Manager Console is Powershell, select menu options TOOLS / Library Package Manager / Package Manager Console and enter and run
Set-ItemProperty -Path HKCU:\Software\Microsoft\VisualStudio\12.0\General -Name SuppressUppercaseConversion -Type DWord -Value 1...
What is The difference between ListBox and ListView
...ew, but you can easily create your own.
Another difference is the default selection mode: it's Single for a ListBox, but Extended for a ListView
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C# Interfaces. Implicit implementation versus Explicit implementation
...t interested in populating the list; instead, they just want to be able to select a customer by GUID or to obtain the selected customer's GUID. A presenter would populate the box on the first page load, and this presenter is encapsulated by the control.
public sealed class CustomerComboBox : ComboBo...
PDO's query vs execute
... multiple times. Example of prepared statements:
$sth = $dbh->prepare('SELECT name, colour, calories FROM fruit
WHERE calories < :calories AND colour = :colour');
$sth->bindParam(':calories', $calories);
$sth->bindParam(':colour', $colour);
$sth->execute();
// $calories or $color...
How to loop through a HashMap in JSP?
...lt;%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<select name="country">
<c:forEach items="${countries}" var="country">
<option value="${country.key}">${country.value}</option>
</c:forEach>
</select>
You need a Servlet or a S...
Image resizing client-side with JavaScript before upload to the server
...ed in a script tag)
You can use it as follows:
<input type="file" id="select">
<img id="preview">
<script>
document.getElementById('select').onchange = function(evt) {
ImageTools.resize(this.files[0], {
width: 320, // maximum width
height: 240 // maximum heigh...
How to pass table value parameters to stored procedure from .net code
...;T, TProperty>(this IEnumerable<T> list, Func<T, TProperty> selector)
{
var tbl = new DataTable();
tbl.Columns.Add("Id", typeof(T));
foreach (var item in list)
{
tbl.Rows.Add(selector.Invoke(item));
}
return tbl;
...
Pry: show me the stack
... stack items. For example, if my project name were archie I'd use:
caller.select {|line| line.include? "archie" }
Which gives me the stack trace I'm looking for.
A shorter way would be:
caller.select {|x| x["archie"] }
Which works just as well.
...
When to use MongoDB or other document oriented database systems? [closed]
...cal CRUD stuff. Storing what is essentially a huge hash, and being able to select on any of those keys, is what most people use a relational database for. If your DB is 3NF and you don’t do any joins (you’re just selecting a bunch of tables and putting all the objects together, AKA what most peo...