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Understanding checked vs unchecked exceptions in Java
...oose one of these:
log it and return
rethrow it (declare it to be thrown by the method)
construct a new exception by passing the current one in constructor
Now, couldn't the above code also be a checked exception? I can try to recover the situation like this? Can I?
It could've been. But nothin...
Using logging in multiple modules
... for logging configuration for code which will be used as a library module by other code.
Update: When calling fileConfig(), you may want to specify disable_existing_loggers=False if you're using Python 2.6 or later (see the docs for more information). The default value is True for backward compati...
Why can't I define a default constructor for a struct in .NET?
... constructor with no parameters. According to this post this is mandated by the CLI specification. What happens is that for every value-type a default constructor is created (by the compiler?) which initialized all members to zero (or null ).
...
What is the difference between properties and attributes in HTML?
...ocs.
HTML attribute vs. DOM property
Attributes are defined by HTML. Properties are defined by the DOM
(Document Object Model).
A few HTML attributes have 1:1 mapping to properties. id is one
example.
Some HTML attributes don't have corresponding properties. colspan is
...
Setting git parent pointer to a different parent
... from your head to the remote head. The case you are describing is handled by git rebase <new-parent>.
– clacke
Aug 10 '16 at 10:09
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Executing multi-line statements in the one-line command-line?
...
@RudolfOlah hope you know it by now but just for reference, you need to wrap the print statement for python3+ versions like: python -c "exec(\"import sys\nfor r in range(10): print('rob')\")"
– systrigger
Mar 12 at ...
Objective-C: Reading a file line by line
...exactly what you want to do.
NSInputStream allows you to read chunks of N bytes (very similar to java.io.BufferedReader), but you have to convert it to an NSString on your own, then scan for newlines (or whatever other delimiter) and save any remaining characters for the next read, or read more cha...
Tools for analyzing performance of a Haskell program
...gram with +RTS -s
$ time ./A +RTS -s
./A +RTS -s
749700
9,961,432,992 bytes allocated in the heap
2,463,072 bytes copied during GC
29,200 bytes maximum residency (1 sample(s))
187,336 bytes maximum slop
**2 MB** total memory in use (0 MB lost due to frag...
Showing line numbers in IPython/Jupyter Notebooks
...ter Notebooks indicate the line on which the error occurred; but (at least by default) no line numbers are indicated in Notebooks.
...
Java Serializable Object to Byte Array
...
Prepare the byte array to send:
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream out = null;
try {
out = new ObjectOutputStream(bos);
out.writeObject(yourObject);
out.flush();
byte[] yourBytes = bos...