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Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
... reason given for preferring the first (POSIX) form is that it's easier to read, especially when command substitutions are nested. Plus, with the backtick form, the backtick characters have to be backslash-escaped in the nested (inner) command substitutions.
With the POSIX form, you don't need to d...
UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to
...ulations with a text file filled with information. However, when trying to read the file I get the following error:
9 Answe...
How would you go about parsing Markdown? [closed]
...equently written out to HTML. As such it is quite clean and much easier to read, maintain and extend than a regex based approach.
The PEG grammar is based on John MacFarlanes C implementation "peg-markdown".
Maybe something of interest to you...
...
The Definitive C++ Book Guide and List
...troduction to programming using C++ by the creator of the language. A good read, that assumes no previous programming experience, but is not only for beginners.
Introductory, with previous programming experience
A Tour of C++ (Bjarne Stroustrup) (2nd edition for C++17) The “tour” is a quick ...
How can I catch all the exceptions that will be thrown through reading and writing a file?
...
Yes there is.
try
{
//Read/write file
}catch(Exception ex)
{
//catches all exceptions extended from Exception (which is everything)
}
share
|
...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
...s['connect'] is None:
kwargs['connect'] = 5
if kwargs['read'] is None:
kwargs['read'] = 5
super(MyTimeout, self).__init__(*args, **kwargs)
requests.adapters.TimeoutSauce = MyTimeout
This code should cause us to set the read timeout as equal to the
con...
Getting realtime output using subprocess
...:
...
buffers aggressively, the variant
while True:
line = p.stdout.readline()
if not line: break
...
does not. Apparently this is a known bug: http://bugs.python.org/issue3907 (The issue is now "Closed" as of Aug 29, 2018)
...
Const before or const after?
... left, but I think putting it on the right makes more sense. You generally read types in C++ from right-to-left, for example Object const * is a pointer to a const Object. If you put the const on the left, it would read as a pointer to an Object that is const, which doesn't really flow very well.
...
When do I need to use AtomicBoolean in Java?
...
When multiple threads need to check and change the boolean. For example:
if (!initialized) {
initialize();
initialized = true;
}
This is not thread-safe. You can fix it by using AtomicBoolean:
if (atomicInitialized.compareAndSet(fa...
Example of Named Pipes
...sing System.IO.Pipes;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
StartServer();
Task.Delay(1000).Wait();
//Client
var ...