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Disable messages upon loading a package
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Use suppressPackageStartupMessages, see the answer by @MehradMahmoudian. For completeness, adding examples of usage:
For one library, use suppressPackageStartupMessages(...), for example:
suppressPackageStartupMessages(library(ggplot2))
For multiple libraries, use suppres...
Is quitting an application frowned upon?
...a being PUSHed to the device" is a pleasant fiction and should not be done by activity in any case. Use a scheduled task (via AlarmManager) to update your data for maximum reliability.
Our users log in and can't be doing
that every time they get a phone call
and Android decides to kill the app.
Th...
What are unit tests, integration tests, smoke tests, and regression tests?
...nd, apparently, with plumbing, where a system of pipes is literally filled by smoke and then checked visually. If anything smokes, the system is leaky.
Regression test: A test that was written when a bug was fixed. It ensures that this specific bug will not occur again. The full name is "non-regres...
C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?
...ly without making a request to the store, if that entity is already loaded by the context.
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How to change the default charset of a MySQL table?
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By contrast, if you just use the ALTER TABLE tbl CHARACTER SET utf8 syntax as suggested by others, you will change only the default encoding for table; existing columns will not be converted as they will if you use this answe...
.NET XML serialization gotchas? [closed]
...ng XML through a web page (ASP.NET), you don't want to include the Unicode Byte-Order Mark. Of course, the ways to use or not use the BOM are almost the same:
BAD (includes BOM):
XmlTextWriter wr = new XmlTextWriter(stream, new System.Text.Encoding.UTF8);
GOOD:
XmlTextWriter wr = new XmlTextWr...
Convert a positive number to negative in C#
...l, so a unary minus is the right operator. On the other hand, multiplying by negative one is just a trick to negate a value.
– Steven Sudit
Aug 28 '09 at 19:30
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Get file version in PowerShell
...eVersion
Interestingly, you can get the updated (patched) ProductVersion by using this:
(Get-Command C:\Windows\System32\Lsasrv.dll).Version
The distinction I'm making between "original" and "patched" is basically due to the way the FileVersion is calculated (see the docs here). Basically ever ...
Set transparent background of an imageview on Android
... @LuisA.Florit I found this link where you need to multiply by 0.4(40/100) to your RGB value. Not sure if this is helpful but you can give it a try. forums.esri.com/Thread.asp?c=93&f=1730&t=223940
– Harshad
Jan 14 '13 at 12:30
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Django template how to look up a dictionary value with a variable
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Why is this not built in by default? :-(
– Berislav Lopac
Dec 28 '12 at 15:23
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