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Asynchronous method call in Python?
...sted. It introduces the Deferred object, which you can attach callbacks or error handlers ("errbacks") to. A Deferred is basically a "promise" that a function will have a result eventually.
share
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log messages appearing twice with Python Logging
... That's the best answer. It did not fit the purpose of the poster (logical error in coding) but most of the times, this should be the case.
– Artem
Jun 7 '19 at 10:02
...
Basic HTTP authentication with Node and Express 4
...substring(splitIndex + 1)
// using shorter regex by @adabru
// const [_, login, password] = strauth.match(/(.*?):(.*)/) || []
Basic auth in one statement
...on the other hand, if you only ever use one or very few logins, this is the bare minimum you need: (you don't even need to parse the cr...
Why do we need C Unions?
...le types together:
enum Type { INTS, FLOATS, DOUBLE };
struct S
{
Type s_type;
union
{
int s_ints[2];
float s_floats[2];
double s_double;
};
};
void do_something(struct S *s)
{
switch(s->s_type)
{
case INTS: // do something with s->s_ints
break;
case F...
How to find if a native DLL file is compiled as x64 or x86?
...
The Magic field of the IMAGE_OPTIONAL_HEADER (though there is nothing optional about the header in Windows executable images (DLL/EXE files)) will tell you the architecture of the PE.
Here's an example of grabbing the architecture from a file.
public ...
Given two directory trees, how can I find out which files differ by content?
...-dereference --new-file --no-ignore-file-name-case /dir1 /dir2 > dirdiff_1.txt
rsync --recursive --delete --links --checksum --verbose --dry-run /dir1/ /dir2/ > dirdiff_2.txt
The choice between them depends on the location of dir1 and dir2:
When the directories reside on two seperate drive...
How to embed a text file in a .NET assembly?
... This is a much better approach because it will throw a compiler error if the resource is removed. It also eliminates typos. Thanks for the post.
– Ben Gripka
Dec 14 '12 at 2:58
...
How to redirect output to a file and stdout
...gt;&1 | tee outfile
2>&1 redirects channel 2 (stderr/standard error) into channel 1 (stdout/standard output), such that both is written as stdout. It is also directed to the given output file as of the tee command.
Furthermore, if you want to append to the log file, use tee -a as:
pro...
Regular expression for matching HH:MM time format
...at the top.
– Marc
Nov 27 '18 at 13:05
Any reason HH:MM 24-hour with leading 0 is not ^([0-2][0-3]|[0-1][0-9]):[0-5][0...
Multi-Line Comments in Ruby?
...begin and =end must be at the beginning of the line or
it will be a syntax error.
=end
puts "Hello world!"
<<-DOC
Also, you could create a docstring.
which...
DOC
puts "Hello world!"
"..is kinda ugly and creates
a String instance, but I know one guy
with a Smalltalk background, who
does th...