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Read binary file as string in Ruby
I need an easy way to take a tar file and convert it into a string (and vice versa). Is there a way to do this in Ruby? My best attempt was this:
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How do I override __getattr__ in Python without breaking the default behavior?
...nd potentially miss the upstream changes should the wording be modified or extra context added to the exception object in future.
– wim
Nov 26 '18 at 19:56
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Single vs double quotes in JSON
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JSON syntax is not Python syntax. JSON requires double quotes for its strings.
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Add Text on Image using PIL
...55,255),font=font)
img.save('sample-out.jpg')
You might need to put some extra effort to calculate font size. In case you want to change it based on amount of text user has provided in TextArea.
To add text wrapping (Multiline thing) just take a rough idea of how many characters can come in one l...
How to define custom exception class in Java, the easiest way?
...'t "inherit" non-default constructors, you need to define the one taking a String in your class. Typically you use super(message) in your constructor to invoke your parent constructor. For example, like this:
public class MyException extends Exception {
public MyException(String message) {
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...1:
Download the latest MySQL for Python adapter from SourceForge.
Step 2:
Extract your downloaded package:
tar xzvf MySQL-python-1.2.2.tar.gz
Step 3:
Inside the folder, clean the package:
sudo python setup.py clean
COUPLE OF EXTRA STEPS, (from this comment)
Step 3b:
Remove everything under ...
How to Convert Boolean to String
I have a Boolean variable which I want to convert to a string:
15 Answers
15
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How to enter quotes in a Java string?
I want to initialize a String in Java, but that string needs to include quotes; for example: "ROM" . I tried doing:
10 Ans...
Regex lookahead for 'not followed by' in grep
... you can use negated character classes [^L], alternation |, and the end of string anchor $.
In your case grep 'Ui\.\([^L]\|$\)' * does the job.
Ui\. matches the string you're interested in
\([^L]\|$\) matches any single character other than L or it matches the end of the line: [^L] or $.
If you...
ExecutorService that interrupts tasks after a timeout
...lem with the following (very crude) test program:
public static void main(String[] args) throws InterruptedException {
ExecutorService service = new TimeoutThreadPoolExecutor(1, 1, 10, TimeUnit.SECONDS,
new LinkedBlockingQueue<Runnable>(), 10, TimeUnit.MINUTES);
//Executo...