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Windows batch script launch program and exit console
...I double click on this batch file, notepad starts normally, but the black window of the cmd who launched notepad.exe remains in the background. What do I have to do in order to launch notepad.exe and make the cmd window disappear?
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Making your .NET language step correctly in the debugger
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I am an engineer on the Visual Studio Debugger team.
Correct me if I am wrong, but it sounds like the only issue left is that when switching from PDBs to the .NET 4 dynamic compile symbol format some breakpoints are being missed.
We w...
What are the disadvantages to declaring Scala case classes?
If you're writing code that's using lots of beautiful, immutable data structures, case classes appear to be a godsend, giving you all of the following for free with just one keyword:
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Regular expression search replace in Sublime Text 2
I'm looking to do search replace with regular expressions in Sublime Text 2. The documentation on this is rather anemic. Specifically, I want to do a replace on groups, so something like converting this text:
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Split string every nth character?
Is it possible to split a string every nth character?
16 Answers
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Add new column with foreign key constraint in one command
I am trying to add a new column that will be a foreign key. I have been able to add the column and the foreign key constraint using two separate ALTER TABLE commands:
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Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?
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As another option, you can do look ups like:
class UserAdmin(admin.ModelAdmin):
list_display = (..., 'get_author')
def get_author(self, obj):
return obj.book.author
get_author.short_description = 'Author'
get_author.admin_order_field = 'book__author'
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What is JNDI? What is its basic use? When is it used?
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What is JNDI ?
It stands for Java Naming and Directory Interface.
What is its basic use?
JNDI allows distributed applications to look up services in an abstract, resource-independent way.
When it is used?
The most common use case is to set up a data...
How to access the ith column of a NumPy multidimensional array?
...;>> test[1,:]
array([3, 4])
lets you access rows. This is covered in Section 1.4 (Indexing) of the NumPy reference. This is quick, at least in my experience. It's certainly much quicker than accessing each element in a loop.
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Better way to sum a property value in an array
I have something like this:
16 Answers
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