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How to save traceback / sys.exc_info() values in a variable?
...eUploader: {
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Cannot drop database because it is currently in use
...ou drop the connection to that database first.
I have found a solution at http://www.kodyaz.com/articles/kill-all-processes-of-a-database.aspx
DECLARE @DatabaseName nvarchar(50)
SET @DatabaseName = N'YOUR_DABASE_NAME'
DECLARE @SQL varchar(max)
SELECT @SQL = COALESCE(@SQL,'') + 'Kill ' + Convert(...
Change drawable color programmatically
...<?xml version="1.0" encoding="utf-8"?>
<bitmap
xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/ic_back"
android:tint="@color/red_tint"/>
This will work for you if you have a limited number of colors you want to use on your drawables. Check ...
How to train an artificial neural network to play Diablo 2 using visual input?
... Network (not to confuse with Recurrent Neural Network) by Richard Socher: http://techtalks.tv/talks/54422/
Then, another problem is that even when you have fetched all the data you need, the game is only partially observable. Thus you need to inject an abstract model of the world and feed it with ...
An async/await example that causes a deadlock
...the UI/ASP.NET context).
GetJsonAsync starts the REST request by calling HttpClient.GetStringAsync (still within the context).
GetStringAsync returns an uncompleted Task, indicating the REST request is not complete.
GetJsonAsync awaits the Task returned by GetStringAsync. The context is captur...
ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...ublic static DbHelper instance
{
get
{
if (HttpContext.Current is null)
return new DbHelper();
else if (HttpContext.Current.Items["dbh"] == null)
HttpContext.Current.Items["dbh"] = new DbHelper();
return (DbHelp...
Effective method to hide email from spam bots
...the right-to-left mark to override the writing direction. more about this: https://en.wikipedia.org/wiki/Right-to-left_mark
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Scanner vs. StringTokenizer vs. String.Split
...trading some flexibility, to get a speed-boost, which I did at JFastParser https://github.com/hughperkins/jfastparser
Testing on a string containing one million doubles:
Scanner: 10642 ms
Split: 715 ms
StringTokenizer: 544ms
JFastParser: 290ms
...
How to merge 2 JSON objects from 2 files using jq?
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MYSQL OR vs IN performance
... figure out the answer for my given question.
This might be of some help: http://forge.mysql.com/wiki/Top10SQLPerformanceTips
Regards,
Frank
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