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What's the difference between returning void and returning a Task?
...t be farmed out to another process on the local machine, to another thread etc. TPL tasks are typically farmed out to worker threads from a thread pool in the the current process, but that implementation detail is not fundamental to the Task<T> type; rather a Task<T> can represent any hi...
How to change a TextView's style at runtime
...View.setTypeface(null, Typeface.BOLD); // Typeface.NORMAL, Typeface.ITALIC etc.
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How do you implement a re-try-catch?
...(Exception cause) {
//default impl: do nothing, log the exception, etc.
}
}
public class OperationHelper {
public static void doWithRetry(int maxAttempts, Operation operation) {
for (int count = 0; count < maxAttempts; count++) {
try {
operatio...
Numpy index slice without losing dimension information
...y an array that might be length 1 at runtime. For that case, there's np.ix_:
some_array[np.ix_(row_index,column_index)]
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How to strip HTML tags from a string in SQL Server?
...tween the tags. Ideally also replacing things like &lt; with < , etc.
11 Answers
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How do you remove a Cookie in a Java Servlet
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I tried setMaxAge(0) initially in firefox but I still saw it listed in my cookies as "Expires: at end of session" and thought my servlet was still receiving that expired cookie. It might've been a combo of needing to set the response.setContentType(...
How can I repeat a character in Bash?
...l of the arguments, this simply prints "=" 100 times.
Using head (printf, etc) and tr:
head -c 100 < /dev/zero | tr '\0' '='
printf %100s | tr " " "="
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What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
...ce/android/os/Handler.html
If you previously used javascript setTimeout() etc to schedule a task to run in the future, this is the Android way of doing it (postDelayed / sendMessageDelayed).
Note that neither Handlers or Timers makes an Android phone wake up from sleep mode. In other words, if you...
Server is already running in Rails
...l the running process
$ kill -9 5946
$ rm tmp/server.pids
foreman start etc start the service
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invalid target release: 1.7
...
You need to set JAVA_HOME to your jdk7 home directory, for example on Microsoft Windows:
"C:\Program Files\Java\jdk1.7.0_40"
or on OS X:
/Library/Java/JavaVirtualMachines/jdk1.7.0_40.jdk/Contents/Home
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