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Cassandra port usage - how are the ports used?
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For posterity, this annoyance should be fixed, from Cassandra 2.0.8 onward according to this ticket. The default cassandra-env.sh now sets the com.sun.management.jmxremote.rmi.port property to the same value as the main JMX port so that random ports are not used.
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Using Ajax.BeginForm with ASP.NET MVC 3 Razor
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David's issue is almost always caused from not including the jqueryval bundle which contains the unobtrusive ajax code. Be very careful with this approach you posted otherwise you'll get one post and then your form is hosed since you've just replaced it. You then...
Save file to specific folder with curl command
In a shell script, I want to download a file from some URL and save it to a specific folder. What is the specific CLI flag I should use to download files to a specific folder with the curl command, or how else do I get that result?
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How do I determine whether an array contains a particular value in Java?
... is roughly constant. At least for arrays up to 2^30. There may be affects from, say, hardware caches which the big-O analysis ignores. Also assumes the hash function is working effectively.
– Tom Hawtin - tackline
Sep 9 '14 at 23:51
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How do I activate C++ 11 in CMake?
...al property CMAKE_CXX_KNOWN_FEATURES lists the C++ features you can choose from.
Instead of using target_compile_features() you can also specify the C++ standard explicitly by setting the CMake properties
CXX_STANDARD
and
CXX_STANDARD_REQUIRED for your CMake target.
See also my more detailed an...
Specifying colClasses in the read.csv
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If you want to refer to names from the header rather than column numbers, you can use something like this:
fname <- "test.csv"
headset <- read.csv(fname, header = TRUE, nrows = 10)
classes <- sapply(headset, class)
classes[names(classes) %in% c(...
What's the best way to bundle static resources in a Go program? [closed]
...int(v)
}
fmt.Println("}")
Example output if the file would contain bytes from 0 to 16 (try it on the Go Playground):
var imgdata = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
Storing as base64 string
If the file is not "too large" (most images/icons qualify), there are other v...
.NET Process.Start default directory?
I'm firing off a Java application from inside of a C# .NET console application. It works fine for the case where the Java application doesn't care what the "default" directory is, but fails for a Java application that only searches the current directory for support files.
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Mercurial .hgignore for Visual Studio 2010 projects
...mation about my repositories, so I never copy and paste the .hgignore file from one repo to the next, instead I always build them as I go.
This is easy with TortoiseHg, as the Commit window will list all untracked files, and a simple right-click will allow me to add patterns to ignore those files. ...
How to center an element horizontally and vertically
...div>
</section>
Approach 4 - Absolutely positioned 50% from the top with displacement:
Example Here / Full Screen Example
This approach assumes that the text has a known height - in this instance, 18px. Just absolutely position the element 50% from the top, relative to the pare...