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How to calculate time in hours between two dates in iOS
...developer.apple.com/library/mac/navigation/
or if you are using Xcode just select help/documentation from the menu.
See: how-to-convert-an-nstimeinterval-seconds-into-minutes
--edit: See ÐąrέÐέvil's answer below for correctly handling daylight savings/leap seconds
...
Submitting HTML form using Jquery AJAX
...ral web actions GET, POST, PUT, and DELETE; these directly correspond with SELECT/Retreiving DATA, INSERTING DATA, UPDATING/UPSERTING DATA, and DELETING DATA. A default HTML/ASP.Net webform/PHP/Python or any other form action is to "submit" which is a POST action. Because of this the below will al...
Turn off constraints temporarily (MS SQL)
...8)
-- List of all tables
DECLARE triggerCursor CURSOR FOR
SELECT t.TABLE_NAME AS TableName
, t.TABLE_SCHEMA AS TableSchema
FROM INFORMATION_SCHEMA.TABLES t
ORDER BY t.TABLE_NAME, t.TABLE_SCHEMA
OPEN triggerCursor
FETCH NEXT FROM triggerC...
Difference between a Message Broker and an ESB
... fail or fail temporarily with self healing based on your deployment model selected. With microservices based deployment or iPAAS, ESB's now have auto-scaling capabilities(horizontally or vertically) with features varying based on the vendor selected.
For a very high level capabilities that ESB pro...
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...
git - merge conflict when local is deleted but file exists in remote
...
In Git GUI, you select the conflicted file and then right-click on the main text area where the conflicted text is shown.
In the context menu that appears, you can choose to go with "Remote" or go with "Local". So if a file is remotely del...
Flatten List in LINQ
...
Try SelectMany()
var result = iList.SelectMany( i => i );
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Is there an alternative sleep function in C to milliseconds?
... tv.tv_sec = milliseconds / 1000; tv.tv_usec = milliseconds % 1000 * 1000; select(0, NULL, NULL, NULL, &tv); instead of usleep(milliseconds * 1000);. Credit goes here.
– Josh Sanford
Sep 29 '16 at 18:18
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How do I set the default font size in Vim?
...n supports it)
set guifont=*
This will pop up a menu that allows you to select the font. After selecting the font, type
set guifont?
To show what the current guifont is set to. After that copy that line into your vimrc or gvimrc. If there are spaces in the font add a \ to escape the space.
se...
image processing to improve tesseract OCR accuracy
..." filter really made my day. Another step that helped me: using the "fuzzy selection" tool select the background then press Del for wightening it out
– Davide
Apr 13 '15 at 10:30
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