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How can a LEFT OUTER JOIN return more records than exist in the left table?
...ave a very basic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger.
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How To Save Canvas As An Image With canvas.toDataURL()?
I'm currently building a HTML5 web app/Phonegap native app and I can't seem to figure out how to save my canvas as an image with canvas.toDataURL() . Can somebody help me out?
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How to check if a file exists in Go?
Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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Replace first occurrence of pattern in a string [duplicate]
... I used this kind of code in a heavy loop, it consumes a lot of CPU and memory. It must be avoided in these kind of loops.
– Ali Erdoğan
Feb 14 '16 at 12:44
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No generic implementation of OrderedDictionary?
...Dictionary isn't terribly difficult, but it's unnecessarily time consuming and frankly this class is a huge oversight on Microsoft's part. There are multiple ways of implementing this, but I chose to use a KeyedCollection for my internal storage. I also chose to implement various methods for sortin...
What Automatic Resource Management alternatives exist for Scala?
...tending the design pattern - taking inspiration from python with statement and addressing:
statements to run before the block
re-throwing exception depending on the managed resource
handling two resources with one single using statement
resource-specific handling by providing an implicit conversi...
What is App.config in C#.NET? How to use it?
...onfig is an XML file with many predefined configuration sections available and support for custom configuration sections. A "configuration section" is a snippet of XML with a schema meant to store some type of information.
Overview (MSDN)
Connection String Configuration (MSDN)
Settings can be co...
Showing Travis build status in GitHub repo
... mean, go to your github repo > Settings > Service Hooks. Use Ctrl+F and search for Travis.
EDIT2:
Go to https://travis-ci.org/profile/{fill in your own usernam}/profile
Then copy the token and paste it inside the Travis Service Hook page in your Github Repo Settings section.
Type in your ...
jQuery load more data on scroll
... make an ajax call (you can show a loading image here till ajax response) and get the next set of data, append it to the div. This function gets executed as you scroll down the page again.
$(window).scroll(function() {
if($(window).scrollTop() == $(document).height() - $(window).height()) {...
What to do with commit made in a detached head
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Create a branch where you are, then switch to master and merge it:
git branch my-temporary-work
git checkout master
git merge my-temporary-work
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