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Extract traceback info from an exception object
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A way to get traceback as a string from an exception object in Python 3:
import traceback
# `e` is an exception object that you get from somewhere
traceback_str = ''.join(traceback.format_tb(e.__traceback__))
traceback.format_tb(...) returns a list ...
How does the const constructor actually work?
...3
var baz1 = const Baz(const Foo(1, 1), "hello"); // $Baz$Foo$int$1$int$1$String$hello
var baz2 = const Baz(const Foo(1, 1), "hello"); // $Baz$Foo$int$1$int$1$String$hello
Constants are not recreated each time. They are canonicalized at compile time and stored in special lookup tables (where they...
How do I add a path to PYTHONPATH in virtualenv
...you want this to work with any python version, just use a normal old-style string-format rather than the fancy f-string f"... {dir_path}"
– Guillaume S
Jan 2 '19 at 4:27
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Search in all files in a project in Sublime Text 3
Is there a way to search for a string in all files inside a project in Sublime Text 3? The string is not a method.
5 Answer...
How to convert a ruby hash object to JSON?
... got it. But I did inspect with p date_json This is what I got for a true string "{\"year\":2013,\"mon\":7,\"mday\":16,\"hour\":13,\"min\":54,\"sec\":32,\"zone\":\"-05:00\",\"offset\":-18000}" so you may see that it is making the key symbols as strings and of course that data is unchanged. Thanks a...
express.js - single routing handler for multiple routes in a single line
...to set the regex.
(bla|blabla) sets the regex to match, so it matches the strings bla and blablah.
? makes the entire regex optional, so it matches / as well.
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How to Customize the time format for Python logging?
... class:
The constructor takes two optional arguments: a message format string and a date format string.
So change
# create formatter
formatter = logging.Formatter("%(asctime)s;%(levelname)s;%(message)s")
to
# create formatter
formatter = logging.Formatter("%(asctime)s;%(levelname)s;%(messa...
How to run a program without an operating system?
...M calls theirs semihosting for example. On real hardware, it requires some extra hardware and software support, but on emulators it can be a free convenient option. Example.
Here we will do a BIOS example as it is simpler on x86. But note that it is not the most robust method.
main.S
.code16
m...
Pass request headers in a jQuery AJAX GET call
...In the following block, "data" automatically passes the values in the querystring. Is there a way to pass that data in the request header instead ?
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Mongoose's find method with $or condition does not work properly
...tId( (param.length < 12) ? "123456789012" : param );
// You should make string 'param' as ObjectId type. To avoid exception,
// the 'param' must consist of more than 12 characters.
User.find( { $or:[ {'_id':objId}, {'name':param}, {'nickname':param} ]},
function(err,docs){
if(!err) res.s...