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Is VB really case insensitive?
...e actual case
of the method's name and embeds it in
metadata. The CLR knows nothing about
this. Now if you are using reflection
to bind to a method, the reflection
APIs do offer the ability to do
case-insensitive lookups. This is the
extent to which the CLR offers
case-insensitivity....
Replacement for “rename” in dplyr
.... I'm using rename(TheDataFrame,OldVarName=NewVarName) but I get Error: Unknown variables: NewVarName. and I don't understand why.
– s_a
Dec 5 '14 at 16:06
2
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When to use symbols instead of strings in Ruby?
If there are at least two instances of the same string in my script, should I instead use a symbol?
4 Answers
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What exactly is RESTful programming?
...ts (browsers) and servers can interact in complex ways without the client knowing anything beforehand about the server and the resources it hosts. The key constraint is that the server and client must both agree on the media used, which in the case of the web is HTML.
An API that adheres to the pri...
Proper use cases for Android UserManager.isUserAGoat()?
...;As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method can
* now automatically identify goats using advanced goat recognition technology.</p>
*
* @return Returns true if the user making this call is a goat.
*/
public boolean isUserAGoat() {
return mContext.getPackageManage...
What is an optional value in Swift?
...String are completely different types.
Here's the most important thing to know: An optional is a kind of container. An optional String is a container which might contain a String. An optional Int is a container which might contain an Int. Think of an optional as a kind of parcel. Before you open it ...
How to set JVM parameters for Junit Unit Tests?
... files to your repository: it might work, but I do not recommend it.
You know how to set these for maven-surefire-plugin. Good. This is the most portable way (see Ptomli's answer for an example).
For the rest - you must remember that JUnit test cases are just a bunch of Java classes, not a standal...
How do I maintain the Immersive Mode in Dialogs?
... //Update the WindowManager with the new attributes (no nicer way I know of to do this)..
WindowManager wm = (WindowManager) getActivity().getSystemService(Context.WINDOW_SERVICE);
wm.updateViewLayout(getDialog().getWindow().getDecorView(), getDialog().getWindow().getAt...
Android Facebook integration with invalid key hash
...h key through a command prompt is working on the first time only. I don't know the reason. I have also got the same problem. So I tried it through programmatically.
Follow these steps:
Paste the following code in oncreate().
try {
PackageInfo info = getPackageManager().getPackageInfo(
...
Sending files using POST with HttpURLConnection
...velopers recommend to use the HttpURLConnection class, I was wondering if anyone can provide me with a good example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything complicated, but I just...