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How to use DISTINCT and ORDER BY in same SELECT statement?
...he DISTINCT. To do this, you need to use an aggregate function to sort on, and use a GROUP BY to make the DISTINCT work.
Try something like this:
SELECT DISTINCT Category, MAX(CreationDate)
FROM MonitoringJob
GROUP BY Category
ORDER BY MAX(CreationDate) DESC, Category
...
How can I refresh a page with jQuery?
... This didn't work for me. window.location.href=window.location.href; and location.href=location.href; worked.
– twharmon
Oct 6 '16 at 6:40
23
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How to find unused images in an Xcode project?
...ut just hang-around in the folder, you can press
cmd ⌘ + alt ⌥ + A
and they won't be grayed out.
For files which are not referenced neither in xib nor in code, something like this might work:
#!/bin/sh
PROJ=`find . -name '*.xib' -o -name '*.[mh]'`
find . -iname '*.png' | while read png
do...
Insert a commit before the root commit in Git?
...know your shell well enough.
Without plumbing
With regular porcelain commands, you cannot create an empty commit without checking out the newroot branch and updating the index and working copy repeatedly, for no good reason. But some may find this easier to understand:
git checkout --orphan newro...
Good open source django project for learning [closed]
...
django-basic-apps is also a very good start to learn django and reusable apps. These apps are simple enough and code is well written.
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View differences of branches with meld?
I know that I can view the difference between HEAD and current state with meld . . But how can I view the differences between branches, for example master and devel with meld?
...
How can I scale the content of an iframe?
...ow can I scale the content of an iframe (in my example it is an HTML page, and is not a popup) in a page of my web site?
17...
How to understand nil vs. empty vs. blank in Ruby
...dly looking for a clear definition of the differences of nil? , blank? , and empty? in Ruby on Rails. Here's the closest I've come:
...
Do declared properties require a corresponding instance variable?
...des your getter/setter for you. The auto-coder setter initializes integers and floats to zero, for example. IF you declare an instance variable, and DO NOT specify a corresponding @property, then you cannot use @synthesize and must write your own getter/setter.
You can always override the auto-cod...
Automatic HTTPS connection/redirect with node.js/express
...on. I fleshed out your answer (2nd paragraph) a little bit with some code and it works. In this scenario these code snippets are put in my express app:
// set up plain http server
var http = express();
// set up a route to redirect http to https
http.get('*', function(req, res) {
res.redire...