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CROSS JOIN vs INNER JOIN in SQL
...escribe how SQL cross join works in my own words and defer to Wikipedia. I label the result "intermediate conceptual SQL-style Cartesian cross product". Yes "Cartesian" is for those sadly already corrupted who use/expect it.
– philipxy
Jan 10 '18 at 0:50
...
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
...hatever library class you're using. These methods are always very clearly labeled; they start with the words Begin and End. As in Stream.BeginRead, Socket.BeginConnect, WebRequest.BeginGetResponse, and so on.
These methods do use the ThreadPool, but they use IOCPs, which do not interfere with ASP...
How do I style a dropdown with only CSS?
...andard OS-arrow and add a PNG-arrow, put some spacing before and after the label, almost anything you want.
The most important part is appearance property, which changes how the element behaves.
It works perfectly in almost all WebKit-based browser, including mobile ones, though Gecko doesn't supp...
Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
...h name corresponds to which value. I used Chrome Dev Tool's color code and labels are organized symmetrically to pick up analogies faster:
Note 1: clientLeft also includes the width of the vertical scroll
bar if the direction of the text is set to right-to-left (since the
bar is displayed to the...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...sing Fragment = Android.App.Fragment;
namespace Support4
{
[Activity (Label = "@string/fragment_pager_support")]
[IntentFilter (new[]{Intent.ActionMain}, Categories = new[]{ "mono.support4demo.sample" })]
public class FragmentPagerSupport : Activity
//public class FragmentPagerSuppo...
Checking if an Android application is running in the background
...r.app.package.MyApplication"
android:icon="@drawable/icon"
android:label="@string/app_name" >
Add onPause and onResume to every Activity in the project (you may create a common ancestor for your Activities if you'd like to, but if your activity is already extended from MapActivity/ListA...
Change navbar color in Twitter Bootstrap
...;
@navbar-default-link-disabled-bg: transparent;
// Navbar brand label
@navbar-default-brand-color: @navbar-default-link-color;
@navbar-default-brand-hover-color: darken(@navbar-default-link-color, 10%);
@navbar-default-brand-hover-bg: transparent;
// Navb...
How to remove/delete a large file from commit history in Git repository?
... “Remove DVD-rip” commit is no longer on the master branch. The branch labeled refs/original/refs/heads/master contains your original commits in case you made a mistake. To remove it, follow the steps in “Checklist for Shrinking a Repository.”
$ git update-ref -d refs/original/refs/heads/ma...
Difference between DateTime and Time in Ruby
...http://www.ruby-doc.org/stdlib-2.1.0/libdoc/date/rdoc/Date.html#class-Date-label-DateTime)
First, DateTime has no concept of leap seconds:
irb(main):001:0> RUBY_VERSION
=> "2.0.0"
irb(main):002:0> require "date"
=> true
irb(main):003:0> t = Time.new(2012,6,30,23,59,60,0)
=> 2012...
AsyncProcedures异步过程扩展 · App Inventor 2 中文网
...sgext_.asyncprocedure.aix
开发动机
Async Proc是一个扩展，您可以使用它来异步运行过程。您不再需要等待循环完成，也不必担心由于Android系统认为您的应用程序无响应而导致应用崩溃。
功能概述
...