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Why is it bad style to `rescue Exception => e` in Ruby?
...mple:
debugger rescue nil
The debugger function is a rather nice way to set a breakpoint in your code, but if running outside a debugger, and Rails, it raises an exception. Now theoretically you shouldn't be leaving debug code lying around in your program (pff! nobody does that!) but you might ...
ASP.NET MVC Html.DropDownList SelectedValue
...blem:
I had the following:
Controller:
ViewData["DealerTypes"] = Helper.SetSelectedValue(listOfValues, selectedValue) ;
View
<%=Html.DropDownList("DealerTypes", ViewData["DealerTypes"] as SelectList)%>
Changed by the following:
View
<%=Html.DropDownList("DealerTypesDD", ViewData[...
How to fix: “HAX is not working and emulator runs in emulation mode”
...
Yes it should be fixed, HAXM isn't working.
How much RAM is set for use inside your AVD configuration ?
768M is a good number for it, but most importantly this number has to be lower or equal to the memory usage you have set during the installation of HAXM. You can launch its install...
How does free know how much to free?
In C programming, you can pass any kind of pointer you like as an argument to free, how does it know the size of the allocated memory to free? Whenever I pass a pointer to some function, I have to also pass the size (ie an array of 10 elements needs to receive 10 as a parameter to know the size of t...
SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
...
update q
set q.QuestionID = a.QuestionID
from QuestionTrackings q
inner join QuestionAnswers a
on q.AnswerID = a.AnswerID
where q.QuestionID is null -- and other conditions you might want
I recommend to check what the result set to ...
ant warning: “'includeantruntime' was not set”
...
Ant Runtime
Simply set includeantruntime="false":
<javac includeantruntime="false" ...>...</javac>
If you have to use the javac-task multiple times you might want to consider using PreSetDef to define your own javac-task that alw...
What are my environment variables? [closed]
...ere they are stored
Linux: where are environment variables stored?
How to set Shell Environment Variables
http://www.codecoffee.com/tipsforlinux/articles/030.html
Happy reading :-)
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How do you kill all current connections to a SQL Server 2005 database?
... instead use the following approach which does not have this drawback:
-- set your current connection to use master otherwise you might get an error
use master
ALTER DATABASE YourDatabase SET SINGLE_USER WITH ROLLBACK IMMEDIATE
--do you stuff here
ALTER DATABASE YourDatabase SET MULTI_USER
...
How to create a GUID/UUID in Python
How do I create a GUID in Python that is platform independent? I hear there is a method using ActivePython on Windows but it's Windows only because it uses COM. Is there a method using plain Python?
...
How can I set the color of a selected row in DataGrid
...erride the brush for SystemColors.HighlightTextBrushKey in the same way to set the text color.
– Ben McIntosh
Sep 16 '12 at 6:10
...