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Anatomy of a “Memory Leak”
...entally when you hold on to references beyond the intended scope.
You'll know that you have leaks when you start getting OutOfMemoryExceptions or your memory usage goes up beyond what you'd expect (PerfMon has nice memory counters).
Understanding .NET's memory model is your best way of avoiding i...
Common xlabel/ylabel for matplotlib subplots
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I would like to know how could it be used with multiple figure objects? fig.xlabel("foo") does not work.
– Horror Vacui
Nov 7 '19 at 9:46
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Rails: How can I set default values in ActiveRecord?
...||= build_address #let's you set a default association
end
end
Now you have just one place to look for initialization of your models. I'm using this method until someone comes up with a better one.
Caveats:
For boolean fields do:
self.bool_field = true if self.bool_field.nil?
See Pa...
R cannot be resolved - Android error
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I thinh I have the same problem, is there any way to know witch one of the layouts?
– Sergey Kucher
Oct 13 '12 at 8:57
3
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How to add custom validation to an AngularJS form?
...on
Custom Validation Directives
Edit: using ngMessages in 1.3.X
You can now use the ngMessages module instead of ngShow to show your error messages. It will actually work with anything, it doesn't have to be an error message, but here's the basics:
Include <script src="angular-messages.js"&g...
MySQL - Rows to Columns
... 2 | 9 | NULL | 40 |
+--------+------+------+------+
(Note that we now have one row per y-value.) Okay, we're almost there! We just need to get rid of those ugly NULLs.
Step 4: prettify. We're just going to replace any null values with zeroes so the result set is nicer to look at:
creat...
How to set different label for launcher rather than activity title?
...ll try it tonight. Wow, why is such a thing not properly documented??!! I know why I don't like these weird XML structures... ;-)
– Zordid
Sep 1 '11 at 11:40
13
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Conditional import of modules in Python
...user is on is Windows or Linux. I take the OS name as input from the user. Now, is it correct to do the following?
3 Answer...
How can I remove the string “\n” from within a Ruby string?
...ator equivalent String#delete!), e.g.:
x = "foo\nfoo"
x.delete!("\n")
x now equals "foofoo"
In this specific case String#delete is more readable than gsub since you are not actually replacing the string with anything.
sh...
select into in mysql
I am a MSSQL user and now I am converting my database to MySQL. I am writing the following query in MySQL:
2 Answers
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