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How to keep a .NET console app running?
...ed as volatile, there is the definite possibility that subsequent reads to _quitFlag in the while loop would be optimized away, leading to an infinite loop.
– Adam Robinson
Apr 6 '10 at 16:51
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Javascript - removing undefined fields from an object [duplicate]
...}
const newObject = Object.keys(obj).reduce((acc, key) => {
const _acc = acc;
if (obj[key] !== undefined) _acc[key] = obj[key];
return _acc;
}, {})
console.log(newObject)
// Object {a: 1}
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redis-py : What's the difference between StrictRedis() and Redis()?
... to provide backwards compatibility with older versions of redis-py:
LREM: Order of 'num' and 'value' arguments reversed such that 'num' can provide a default value of zero.
ZADD: Redis specifies the 'score' argument before 'value'. These were swapped accidentally when being implemented and not disc...
Why does printf not flush after the call unless a newline is in the format string?
...;
or its secure version setvbuf as explained here
setvbuf(stdout, NULL, _IONBF, 0);
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Linq Syntax - Selecting multiple columns
...method chaining. The method chaining equivalent would be:-
var employee = _db.EMPLOYEEs
.Where(x => x.EMAIL == givenInfo || x.USER_NAME == givenInfo)
.Select(x => new { x.EMAIL, x.ID });
AFAIK, the declarative LINQ syntax is converted to a method call chain similar to this when it i...
Python integer incrementing with ++ [duplicate]
...ot seem to completely replace C++'s ++ operator.
– Dr_Zaszuś
Oct 12 '18 at 18:07
add a comme...
What REST PUT/POST/DELETE calls should return by a convention?
... even a redirect to a status resource that shows the impact of the delete (order total) and contains further links.
– Luke Puplett
Jul 17 '19 at 9:09
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Read only the first line of a file?
...od (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
first_line = f.readline()
Some notes:
As noted in the docs, unless it is the only line in the file, the string returned from f.readline() will contain a trailing newline. You may wish to use f.readline().strip() instead to rem...
Can I use require(“path”).join to safely concatenate urls?
...ou're doing you may need to nest calls, eg.. url.resolve(url.resolve(SERVER_URL, pagePath), queryString)
– Molomby
Aug 23 '19 at 0:31
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Deleting lines from one file which are in another file
...print }' exclude-these.txt from-this.txt
The output will be in the same order as the "from-this.txt" file. The tolower() function makes it case-insensitive, if you need that.
The algorithmic complexity will probably be O(n) (exclude-these.txt size) + O(n) (from-this.txt size)
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