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'App not Installed' Error on Android
...earing all of my cached data. Then, finally I realized all I had to do was select both signature versions when building my signed apk.
Before I only had V2 (Full APK Signature) selected, but after selecting V1 Jar Signature as well, I was able to successfully install my signed APK on my 4.4.2 devic...
How do I get the MAX row with a GROUP BY in LINQ query?
...t by t.SerialNumber
into g
select new
{
SerialNumber = g.Key,
uid = (from t2 in g select t2.uid).Max()
};
}
...
This Row already belongs to another table error when trying to add rows?
I have a DataTable which has some rows and I am using the select to filter the rows to get a collection of DataRows which I then loop through using foreach and add it to another DataTable, but it is giving me the error "This Row already belongs to another table". Here is the code:
...
Which encoding opens CSV files correctly with Excel on both Mac and Windows?
We have a web app that exports CSV files containing foreign characters with UTF-8, no BOM. Both Windows and Mac users get garbage characters in Excel. I tried converting to UTF-8 with BOM; Excel/Win is fine with it, Excel/Mac shows gibberish. I'm using Excel 2003/Win, Excel 2011/Mac.
Here's all the ...
how to edit .csproj file
...these simple steps:
Right click on your project in solution explorer and select Unload Project
Right click on the project (tagged as unavailable in solution explorer) and click "Edit yourproj.csproj". This will open up your CSPROJ file for editing.
After making any changes you want, save and clos...
Nearest neighbors in high-dimensional data?
...
First, the number of features (columns) in a data set is not a factor in selecting a distance metric for use in kNN. There are quite a few published studies directed to precisely this question, and the usual bases for comparison are:
the underlying statistical
distribution of your data;
the rel...
Anyway to prevent the Blue highlighting of elements in Chrome when clicking quickly?
...
In addition to the link provided by Floremin, which clears text selection using JavaScript to "clear" the selection, you can also use pure CSS to accomplish this. The CSS is here...
.noSelect {
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
...
How to copy a collection from one database to another in MongoDB
...
The best way is to do a mongodump then mongorestore. You can select the collection via:
mongodump -d some_database -c some_collection
[Optionally, zip the dump (zip some_database.zip some_database/* -r) and scp it elsewhere]
Then restore it:
mongorestore -d some_other_db -c some_or_ot...
How to have TFS 2010 detect changes done to files outside of Visual Studio?
...rol Explorer
Right-click on the folder with the changes and choose Compare
Select the files you want to reconcile (press CTRL+A to select all files)
Click on the Reconcile button
Set the options in the Reconcile Folder Differences dialog. Make sure Files that do not have pending changes is set to Ch...
jQuery to loop through elements with the same class
...s pretty simple to do this without jQuery these days.
Without jQuery:
Just select the elements and use the .forEach() method to iterate over them:
const elements = document.querySelectorAll('.testimonial');
Array.from(elements).forEach((element, index) => {
// conditional logic here.. access el...