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How can I disable editing cells in a WPF Datagrid?
...to disable cell editing while allowing row deletion : I managed to do this by setting all columns individually to read only, instead of the DataGrid itself.
<DataGrid IsReadOnly="False">
<DataGrid.Columns>
<DataGridTextColumn IsReadOnly="True"/>
<DataGridTex...
AngularJS $http, CORS and http authentication
...fused, why do I not need to authenticate with the endpoint if it's secured by an http basic authentication?
– Maxim Zubarev
Feb 27 '16 at 13:20
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MySQL SELECT WHERE datetime matches day (and not necessarily time)
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as this will allow index use without calculation.
EDIT
As pointed out by Used_By_Already, in the time since the inital answer in 2012, there have emerged versions of MySQL, where using '23:59:59' as a day end is no longer safe. An updated version should read
SELECT * FROM tablename
WHERE colu...
C++ Exceptions questions on rethrow of original exception
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In both cases, since you catch by reference, you are effectively altering the state of the original exception object (which you can think of as residing in a magical memory location which will stay valid during the subsequent unwinding -- 0x98e7058 in the ...
GMSGroundOverlay animating - should I be using a CATiledLayer?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Await on a completed task same as task.Result?
I'm currently reading " Concurrency in C# Cookbook " by Stephen Cleary, and I noticed the following technique:
2 Answers
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Friend declaration in C++ - difference between public and private
...friendship should not appear in the public interface (as will be generated by Doxygen e.g.)
– TemplateRex
Aug 25 '14 at 6:49
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Where is Vagrant saving changes to the VM?
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I always change the directory that Virtualbox uses by default for VMs. Normally it is in your profile folder in Windows.
I change it to something like "D:\VHDs\VBox\" and there I found my vagrant test vm: "test01_1347456065". It was called test01, so I guess vagrant adds the...
R - Markdown avoiding package loading messages
... to do it.
You can modify the R code itself instead of the chunk options, by wrapping the source call in suppressPackageStartupMessages(), suppressMessages(), and/or suppressWarnings(). E.g:
```{r echo=FALSE}
suppressWarnings(suppressMessages(suppressPackageStartupMessages({
source("C:/Rscripts/so...
Use String.split() with multiple delimiters
...okens = pdfName.split("-|\\.");
What you have will match:
[DASH followed by DOT together] -.
not
[DASH or DOT any of them] - or .
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