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Postgres unique constraint vs index
...ead access to the table.
Adding a constraint does put a table lock (so all selects are blocked) since it is added via ALTER TABLE.
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What is the 'page lifecycle' of an ASP.NET MVC page, compared to ASP.NET WebForms?
... issues of webform controls.
You can use jquery to hook into the dropdown selection on the client side and submit standard or ajax style requests. Those request can return new pages, redirects, html fragments or even JSON data that can be used to update the existing page.
The asp.net Session can b...
Deleting rows with MySQL LEFT JOIN
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DELETE FROM deadline where ID IN (
SELECT d.ID FROM `deadline` d LEFT JOIN `job` ON deadline.job_id = job.job_id WHERE `status` = 'szamlazva' OR `status` = 'szamlazhato' OR `status` = 'fizetve' OR `status` = 'szallitva' OR `status` = 'storno');
I am not sur...
Method can be made static, but should it?
...ods essentially ignore the instance, but where the instance is required to select the right method to use.
– supercat
Jul 13 '10 at 15:11
3
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Placing border inside of div and not on its edge
...div>
Using ::after you are styling the virtual last child of the selected element. content property creates an anonymous replaced element.
We are containing the pseudo element using absolute position relative to the parent. Then you have freedom to have whatever custom background and/or b...
Multiple HttpPost method in Web API controller
... my question, For making request, I am using Fiddler->Compose-> and selecting Post as the operation
– Habib
Jul 10 '12 at 7:30
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vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
... msvc-10.0: VS2010
variant=debug|release Select the build variant
link=static|shared Whether to build static or shared libraries
threading=single|multi Whether to build single or multithreaded binaries
runtime-link=static|shared ...
Last non-empty cell in a column
...should probably include something about what [RANGE] is supposed to be. I selected the entire column by using "N:N". Here is an example that worked for me: =INDEX(N:N,MATCH(1E+306,N:N,1))
– swimfar
Sep 7 '18 at 18:13
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Do checkbox inputs only post data if they're checked?
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Workaround: use <select>with two options on and off :-)
– andy
May 23 '18 at 9:26
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Prevent users from submitting a form by hitting Enter
...area>.
<input ... onkeydown="return event.key != 'Enter';">
<select ... onkeydown="return event.key != 'Enter';">
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To reduce boilerplate, this is better to be done with jQuery:
$(document).on("keydown", ":input:not(textarea)", function(event) {
return event.key != "Enter";...
