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How to change node.js's console font color?
...\x1b[36m%s\x1b[0m', 'I am cyan'); //cyan
console.log('\x1b[33m%s\x1b[0m', stringToMakeYellow); //yellow
Note %s is where in the string (the second argument) gets injected. \x1b[0m resets the terminal color so it doesn't continue to be the chosen color anymore after this point.
Colors reference
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Stripping everything but alphanumeric chars from a string in Python
What is the best way to strip all non alphanumeric characters from a string, using Python?
11 Answers
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StringBuilder vs String concatenation in toString() in Java
Given the 2 toString() implementations below, which one is preferred:
18 Answers
18
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Java executors: how to be notified, without blocking, when a task completes?
...blic class GetTaskNotificationWithoutBlocking {
public static void main(String... argv) throws Exception {
ExampleService svc = new ExampleService();
GetTaskNotificationWithoutBlocking listener = new GetTaskNotificationWithoutBlocking();
CompletableFuture<String> f = Completable...
Value Change Listener to JTextField
... private static final long serialVersionUID = 1L;
public static final String TEXT_PROPERTY = "text";
public CoolJTextField() {
this(0);
}
public CoolJTextField(int nbColumns) {
super("", nbColumns);
this.setDocument(new MyDocument());
}
@SuppressWa...
Count character occurrences in a string in C++
How can I count the number of "_" in a string like "bla_bla_blabla_bla" ?
13 Answers
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try/catch versus throws Exception
...t to use try-catch.
There is a rule "An overridden method cannot throw any extra exception other than what its parent class is throwing". If there is any extra exception that should be handled using try-catch.
Consider this code snippet.
There is a simple base class
package trycatchvsthrows;
publi...
Can't Find Theme.AppCompat.Light for New Android ActionBar Support
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You need to do next:
File->Import (android-sdk\extras\android\support\v7). Choose "AppCompat"
Project-> properties->Android. In the section library "Add" and choose "AppCompat"
That is all!
Note: if you are using "android:showAsAction" in menu item, you ...
Collections.emptyList() vs. new instance
...oo> always creates a new instance of the object so it has a very slight extra cost associated with it which may give you a reason to use Collections.emptyList. I like using emptyList just because it's more readable.
shar...
What is a PDB file?
...is necessary for the file and line numbers to be present in the StackTrace string. I included the PDB file in the executable folder and now all is fine.
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