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How to check null objects in jQuery
...Query and I want to check the existence of an element in my page. I have written following code, but it's not working:
13 A...
What are valid values for the id attribute in HTML?
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For HTML 4, the answer is technically:
ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
HTML 5 is even more permissive, saying only that an id must contain at...
How do I run msbuild from the command line using Windows SDK 7.1?
...r
On the next dialog box click Environment variables
Scroll down to PATH
Edit it to include your path to the framework (don't forget a ";" after the last entry in here).
For reference, my path was C:\Windows\Microsoft.NET\Framework\v4.0.30319
Path Updates:
As of MSBuild 12 (2013)/VS 2013/.NET 4.5.1...
Find the most common element in a list
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With so many solutions proposed, I'm amazed nobody's proposed what I'd consider an obvious one (for non-hashable but comparable elements) -- [itertools.groupby][1]. itertools offers fast, reusable functionality, and lets you ...
Insert, on duplicate update in PostgreSQL?
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PostgreSQL since version 9.5 has UPSERT syntax, with ON CONFLICT clause. with the following syntax (similar to MySQL)
INSERT INTO the_table (id, column_1, column_2)
VALUES (1, 'A', 'X'), (2, 'B', 'Y'), (3, 'C', 'Z')
ON CONFLICT (id) DO UPDATE
SET column_1 = excluded.co...
Setting a property by reflection with a string value
I'd like to set a property of an object through Reflection, with a value of type string .
So, for instance, suppose I have a Ship class, with a property of Latitude , which is a double .
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Putting git hooks into repository
Is it considered to be a bad practice - to put .git/hooks into the projects repository (using symlinks, for example). If yes, what is the best way to deliver same hooks to different git users?
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Difference between assertEquals and assertSame in phpunit?
PHPUnit contains an assertEquals method: https://phpunit.de/manual/current/en/appendixes.assertions.html#appendixes.assertions.assertEquals
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How can I use Guzzle to send a POST request in JSON?
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For Guzzle 5, 6 and 7 you do it like this:
use GuzzleHttp\Client;
$client = new Client();
$response = $client->post('url', [
GuzzleHttp\RequestOptions::JSON => ['foo' => 'bar'] // or 'json' => [...]
]);
Docs
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C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...pt.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it's visual basic! In this article, I would like to remove those frontiers and give some new reasons for C++ developers to use it.
Description
To use either VBScr...