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MongoDb query condition on comparing 2 fields
...t those with condition Grade1 > Grade2 , how can I get a query like in MySQL?
4 Answers
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Formatting numbers (decimal places, thousands separators, etc) with CSS
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I fully agree with that. That's why I wrote it in my answer. Should've probably put more stress on it.
– mreq
Dec 30 '11 at 20:28
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Remove all the children DOM elements in div
... those DOM nodes. The correct way to handle this situation is described in my answer for this question.
– Eugene Lazutkin
Aug 29 '11 at 5:38
3
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How do we count rows using older versions of Hibernate (~2009)?
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That's my main concern (using SQL instead of HQL). I have to use nested SELECT just to count number of rows that comes after left outer join (I did not find proper implementation of left outer join in hibernate).
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Best way to check for nullable bool in a condition expression (if …)
...l ?? false)
(from v in array where v.nullableBool ?? false)
Is cleaner in my opinion as opposed to:
array.Select(v => v.nullableBool.HasValue ? v.nullableBool.Value : false)
(from v in array where v.nullableBool.HasValue ? v.nullableBool.Value : false)
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Code formatting shortcuts in Android Studio for Operation Systems
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This solved my problem. Not sure why this wasn't mentioned in android's Keyboard Commands document.
– mnaa
Oct 3 '14 at 10:28
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java: run a function after a specific number of seconds
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My code is as follows:
new java.util.Timer().schedule(
new java.util.TimerTask() {
@Override
public void run() {
// your code here, and if you have to refresh UI put this code:
ru...
Avoid duplicates in INSERT INTO SELECT query in SQL Server
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In MySQL you can do this:
INSERT IGNORE INTO Table2(Id, Name) SELECT Id, Name FROM Table1
Does SQL Server have anything similar?
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How to check if a variable is null or empty string or all whitespace in JavaScript?
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So while yes, "white space" encompasses more than null, spaces or blank my answer is intended to answer op's specific question. This is important because op may NOT want to catch things like tabs, for example.
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Django Server Error: port is already in use
...nning already by killing the process associated with it.
kill -9 PID
in my case
kill -9 6599
Now run your Django app.
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