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MySQL/SQL: Group by date only on a Datetime column
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Are you sure the second one works? On SQL Server, this fails, and it fails for a good reason. I would expect it to fail anywhere else as well. Can you confirm that MySQL actually handles this query?
– Tomalak
D...
C# constructor execution order
... in the chain in this class are executed (note that there can be more than one if they're chained with Foo() : this(...) etc
Note that in Java, the base class is initialized before variable initializers are run. If you ever port any code, this is an important difference to know about :)
I have a ...
Filter Fiddler traffic
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If you -like me- need to specify more than one host, remember that you'll need to put semicolons between host names.. for instance: localhost; stackoverflow.com; google.com
– Luke
Apr 5 '18 at 9:38
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difference between Product Backlog Item and Feature in Team Foundation work item types
...scribes a workflow or sequence of steps through the feature that exercises one path toward achieving an expected result.
and continues developing these ideas.
To me, Hundhausen seems to be talking about use cases[2], but still I feel his proposal some counterintuitive, neither seems TFS would be ...
HTML - how can I show tooltip ONLY when ellipsis is activated
... for. We don't actually have to add the tooltip to the elements until someone actually mouses over them. So we defer the addition until that point of mouseenter on any one of the DOM elements with the class "mightoverflow". Just-In-Time-Tooltips
– Jason Kleban
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Parse string to date with moment.js
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Yep, only this one answers. Parsing string to date (meaning input is str, out is date)
– deathangel908
Jun 13 '17 at 14:16
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Calculating width from percent to pixel then minus by pixel in LESS CSS
...10px')
Demo : http://jsfiddle.net/c5aq20b6/
I find that I use this in one of the following three ways:
Basic Escaping
Everything inside the calc arguments is defined as a string, and is totally static until it's evaluated by the client:
LESS Input
div {
> span {
width: calc(~...
Change R default library path using .libPaths in Rprofile.site fails to work
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I generally try to keep all of my packages in one library, but if you want to add a library why not append the new library (which must already exist in your filesystem) to the existing library path?
.libPaths( c( .libPaths(), "~/userLibrary") )
Or (and this will make ...
Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes
... if you can dynamically hide and show columns, having support for at least one column to be fluid starts to make a lot more sense.
– Nate Bundy
Nov 19 '13 at 22:41
1
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
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This might be somewhat of a hack, but it got the job done in our case:
(0 || myfield)::integer
Explanation (Tested on Postgres 8.4):
The above mentioned expression yields NULL for NULL-values in myfield and 0 for empty strings (This exact behaviour may or may not fit your us...