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awk without printing newline
... Minor note: never use printf $0, since $0 may contain strings like %F, etc... Following easily fails (at least with GAWK 3.1.5): echo "%F"|awk '{printf $0}'. Use the printf "%s",$0 instead.
– Vlad
Dec 21 '16 at 5:51
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How to dynamically build a JSON object with Python?
...cover specific object types and JSON, such as Django or SQLAlchemy models, etc.
– Martijn Pieters♦
Mar 26 '19 at 18:16
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Is key-value observation (KVO) available in Swift?
.... Thus, you cannot observe generics, Swift struct types, Swift enum types, etc.
For a discussion of the Swift 2 implementation, see my original answer, below.
Using the dynamic keyword to achieve KVO with NSObject subclasses is described in the Key-Value Observing section of the Adopting Cocoa D...
SQL Server equivalent to MySQL enum data type?
...ION ActionState_Unassigned()
RETURNS tinyint
AS
BEGIN
RETURN 1
END
-- etc...
Where performance matters, still use the hard values.
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Why is DarkGray lighter than Gray?
...e right shade is to just use: #222 (very dark) #333 (dark) #444 (medium) etc.. I find it almost as distictive as 1, 2, 3
– David
Jul 5 '16 at 7:46
1
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Using “Object.create” instead of “new”
...ather ambiguous advantages: "scalability", or "more natural to JavaScript" etc.
However, I have yet to see a concrete example that shows that Object.create has any advantages over using new. On the contrary there are known problems with it. Sam Elsamman describes what happens when there are nested...
HTML input - name vs. id [duplicate]
...c info regarding the difference between id and name, when to use each one, etc.
– daramasala
Nov 18 '13 at 7:08
4
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How to generate a random alpha-numeric string?
...52, which is probably less likely than undetected errors from cosmic rays, etc.
Comparison with UUIDs
According to their specification, UUIDs are not designed to be unpredictable, and should not be used as session identifiers.
UUIDs in their standard format take a lot of space: 36 characters for ...
How to Query an NTP Server using C#?
... {
ct.Token.Register(() => _resultCompletionSource.TrySetCanceled());
socket.MessageReceived += OnSocketMessageReceived;
//The UDP port number assigned to NTP is 123
await socket.ConnectAsync(new HostName("pool.ntp.org"), "123");
u...
Red black tree over avl tree
...le
It offers some good insights on differences, similarities, performance, etc.
Here's a quote from the article:
RB-Trees are, as well as AVL trees, self-balancing. Both of them provide O(log n) lookup and insertion performance.
The difference is that RB-Trees guarantee O(1) rotations per insert op...