大约有 2,864 项符合查询结果（耗时：0.0267秒） [XML]
Using OR in SQLAlchemy
..._() function we must do something like this:
query = Book.query
if filter.title and filter.author:
query = query.filter((Book.title.ilike(filter.title))|(Book.author.ilike(filter.author)))
else if filter.title:
query = query.filter(Book.title.ilike(filter.title))
else if filter.author:
...
MySQL ON vs USING?
... that one does not need to fully qualify the joining columns:
SELECT film.title, film_id -- film_id is not prefixed
FROM film
JOIN film_actor USING (film_id)
WHERE ...
To illustrate, to do the above with ON, we would have to write:
SELECT film.title, film.film_id -- film.film_id is required here...
ItemsControl with horizontal orientation
...amespace ItemsControl
{
public class Item
{
public Item(string title)
{
Title = title;
}
public string Title { get; set; }
}
public class MainWindowViewModel
{
public MainWindowViewModel()
{
Titles = new List<Item>()
...
X-UA-Compatible is set to IE=edge, but it still doesn't stop Compatibility Mode
...dy got burned
The X-UA-Compatible meta tag must appear straight after the title in the <head> element. No other meta tags, css links and js scripts calls can be placed before it.
<head>
<title>Site Title</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge,...
ie8 var w= window.open() - “Message: Invalid argument.”
...ment, i.e., I had a line like:
window.open('/somefile.html', 'a window title', 'width=300');
The problem was 'a window title' as it is not valid. It worked fine with the following line:
window.open('/somefile.html', '', 'width=300');
In fact, reading carefully I realized that Microsoft d...
Count the number of occurrences of a string in a VARCHAR field?
...
This should do the trick:
SELECT
title,
description,
ROUND (
(
LENGTH(description)
- LENGTH( REPLACE ( description, "value", "") )
) / LENGTH("value")
) AS count
FROM <table>
...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...p:
We are going to create the following 4 post rows:
INSERT INTO post (title, id)
VALUES ('High-Performance Java Persistence - Part 1', 1)
INSERT INTO post (title, id)
VALUES ('High-Performance Java Persistence - Part 2', 2)
INSERT INTO post (title, id)
VALUES ('High-Performance Java Persisten...
How to include another XHTML in XHTML using JSF 2.0 Facelets?
...:ui="http://xmlns.jcp.org/jsf/facelets">
<h:head>
<title>Include demo</title>
</h:head>
<h:body>
<h1>Master page</h1>
<p>Master page blah blah lorem ipsum</p>
<ui:include src="/WEB-INF/include.xht...
Correct way of using JQuery-Mobile/Phonegap together?
...el="stylesheet" type="text/css" href="css/bootstrap.css" />
<title>InforMEA</title>
</head>
<body>
<script type="text/javascript" src="js/jquery-1.8.3.js"></script>
<script type="text/javascript">
var dd = $.Def...
How can I run a program from a batch file without leaving the console open after the program starts?
...ot sure if it's different, but note that you must provide it with a Window title as your first parameter. When I would run it the way Patrick described, it would just open a new command prompt with "myProgram.exe" as the window title: start "VPN" "C:\Program Files (x86)\Cisco\Cisco AnyConnect Secur...