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What difference does .AsNoTracking() make?
...The difference is that in the first case the retrieved user is not tracked by the context so when you are going to save the user back to database you must attach it and set correctly state of the user so that EF knows that it should update existing user instead of inserting a new one. In the second ...
Prevent form redirect OR refresh on submit?
...use it DOES NOT solve the original question, and makes the situation worse by actually changing the url after the page reloads. You need to either e.preventDefault() or in return false in the onsubmit function. stackoverflow.com/questions/19454310/…
– Jeff
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How to install mongoDB on windows?
... before we use it.
So, how can we start it?
We have to start the mongo db by using the command mongod. Execute this from the bin folder of mongo.
Let’s see what had happened.
Again a wonderfully formatted exception J we got right? Did you notice what I have highlighted on top? Yeah it is the mon...
Cannot ignore .idea/workspace.xml - keeps popping up
... ALREADY commited into the repo previously, and so they were being tracked by git regardless of whether you ignored them or not. I would recommend the following, after closing RubyMine/IntelliJ or whatever IDE you are using:
mv .idea ../.idea_backup
rm .idea # in case you forgot to close your IDE
g...
How to make a smooth image rotation in Android?
...erpolator(new LinearInterpolator());
ImageView image= (ImageView) findViewById(R.id.imageView);
image.startAnimation(rotate);
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How to check Google Play services version?
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If you look in the link provided by Stan0 you will see this:
public static final int GOOGLE_PLAY_SERVICES_VERSION_CODE
Minimum Google Play services package version
(declared in AndroidManifest.xml android:versionCode)
in order to be com...
How to get element by innerText
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You'll have to traverse by hand.
var aTags = document.getElementsByTagName("a");
var searchText = "SearchingText";
var found;
for (var i = 0; i < aTags.length; i++) {
if (aTags[i].textContent == searchText) {
found = aTags[i];
break;
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How to detect pressing Enter on keyboard using jQuery?
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@mplungjan not sure what you mean by "delegating"
– Andrea
Nov 8 '19 at 12:52
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MySQL: Sort GROUP_CONCAT values
...oup-concat:
SELECT student_name,
GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR ' ')
FROM student
GROUP BY student_name;
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Group by & count function in sqlalchemy
I want a "group by and count" command in sqlalchemy. How can I do this?
3 Answers
3
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