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Using R to download zipped data file, extract, and import data
...aphs on Twitter writes:
"Lots of online csvs are zipped. Is there a way to download, unzip the archive, and load the data to a data.frame using R? #Rstats"
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What is the correct way to make a custom .NET Exception serializable?
...alizableExceptionWithCustomProperties : Exception
{
private readonly string resourceName;
private readonly IList<string> validationErrors;
public SerializableExceptionWithCustomProperties()
{
}
public SerializableExceptionWithCustomProperti...
std::string to float or double
I'm trying to convert std::string to float/double .
I tried:
15 Answers
15
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UIBarButtonItem with custom image and no border
I want to create a UIBarButtonItem with a custom image, but I don't want the border that iPhone adds, as my Image has a special border.
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Get login username in java
...Unix:
new com.sun.security.auth.module.UnixSystem().getUsername()
in Windows:
new com.sun.security.auth.module.NTSystem().getName()
in Solaris:
new com.sun.security.auth.module.SolarisSystem().getUsername()
share
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Write applications in C or C++ for Android? [closed]
...at starting from SDK 1.6 Android now has an official native SDK.
You can download the Android NDK (Native Development Kit) from here:
https://developer.android.com/ndk/downloads/index.html
Also there is an blog post about the NDK:
http://android-developers.blogspot.com/2009/06/introducing-androi...
How to remove the default arrow icon from a dropdown list (select element)?
I want to remove the dropdown arrow from a HTML <select> element. For example:
12 Answers
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Recommended way to get hostname in Java
...-balancing)
Let's not even start talking about dynamic IP addresses.
Also don't confuse the name of an IP-address with the name of the host (hostname). A metaphor might make it clearer:
There is a large city (server) called "London". Inside the city walls much business happens. The city has severa...
Parsing query strings on Android
...and still exists. It also makes you think about the tricky issues like how do you handle special characters, or repeated values.
The simplest code is
UrlQuerySanitizer.ValueSanitizer sanitizer = UrlQuerySanitizer.getAllButNullLegal();
// remember to decide if you want the first or last parameter ...
Convert MySQL to SQlite [closed]
Is it possible to convert from MySQL to SQLite with a free tool on windows?
15 Answers
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