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Calling a Fragment method from a parent Activity
...roid Fragments Dev Guide that an "activity can call methods in a fragment by acquiring a reference to the Fragment from FragmentManager, using findFragmentById() or findFragmentByTag() ."
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how to remove css property using javascript?
...tually, in my case) that seems to do the same thing in IE, and get ignored by the other browsers. For some reason I was surprised to find that setting it to a blank string has the same effect and seems to work on all (recent versions of) the browsers.
– Shavais
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How do I change the android actionbar title and icon
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To make a single icon be usable by all your action bars you can do this in your Android Manifest.
<application
android:logo="@drawable/Image">
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</application>
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SVN needs-lock 设置强制只读属性（官方资料） - 更多技术 - 清泛网 - 专注...
...binary files should have the svn:needs-lock property set, this is verified by the script of step 1. This can be achieved automatically if users configure their svn client config file.
- under windows the SVN config file is "C:\Documents and Settings\[USER_NAME]\Application Data\Subversion\config"
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Custom toast on Android: a simple example
...(R.layout.toast_layout,
(ViewGroup) findViewById(R.id.toast_layout_root));
ImageView image = (ImageView) layout.findViewById(R.id.image);
image.setImageResource(R.drawable.android);
TextView text = (TextView) layout.findViewById(R.id.text);
text.setText("Hello! This i...
difference between socket programming and Http programming
...n the level lower and actually control the connection and send/receive raw bytes.
Example:
var remoteEndpoint=new IPEndPoint(IPAddress.Loopback, 2345);
var socket = new Socket(remoteEndpoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(remoteEndpoint);
socket.Send(new byte[]...
Count occurrences of a char in a string using Bash
...{char}" '{print NF-1}' <<< "${string}"
I'm splitting the string by $char and print the number of resulting fields minus 1.
If your shell does not support the <<< operator, use echo:
echo "${string}" | awk -F"${char}" '{print NF-1}'
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Android - shadow on text?
...gdroid's resources from above)
TextView infoTextView = (TextView) findViewById(R.id.info);
infoTextView.setTextAppearance(getApplicationContext(),
R.style.AudioFileInfoOverlayText);
The signature for setTextAppearance is
public void setTextAppearance (Context context, int resid)
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Check empty string in Swift?
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Here is how I check if string is blank. By 'blank' I mean a string that is either empty or contains only space/newline characters.
struct MyString {
static func blank(text: String) -> Bool {
let trimmed = text.trimmingCharacters(in: CharacterSet.whitespac...
Add a dependency in Maven
...Then update the dependency in the pom.xml of the projects that use the JAR by adding the following to the element:
<dependencies>
...
<dependency>
<groupId>com.stackoverflow...</groupId>
<artifactId>artifactId...</artifactId>
<v...