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Wolfram's Rule 34 in XKCD [closed]
... 0 1
6: 1 1 0
7: 1 1 1
If you're evaluating a stage in a cellular automaton (CA) that follows rule 2, then whenever a three-bit string matches rule 2's configuration, the center bit becomes (or stays, in this case) true on the next iteration.
A CA...
Command-line Tool to find Java Heap Size and Memory Used (Linux)?
...on you should do it within code or you can use jconsole. This is what I know there should also be many other ways.
– padippist
Jan 18 '17 at 6:47
2
...
Date query with ISODate in mongodb doesn't seem to work
...-04-28T03:26:42.609Z"),
"flightId" : "590170f97cb84116075e2680",
now i want to find every 27th date document.so i used this....
> db.users.find({createdAt:{"$gte":ISODate("2017-04-27T00:00:00Z"),"$lt":ISODate("2017-04-28T00:00:00Z") }}).count()
result:1
this worked for me.
...
Gmail's new image caching is breaking image links in newsletter
.... GoogleImagesProxy has stored these statuses into its own proxy server.
Now tried to open your email, you noticed some 404 statuses against your images. This is something understandable. You immediately realized that you forgot to upload some images, so you uploaded them to your server. and also ...
How to fix “ImportError: No module named …” error in Python?
...nt then of having init.py in the root folder? It seems to serve no purpose if you edit either sys.path or the pythonpath.
– user1980175
Jan 4 '14 at 23:13
11
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What is the exact meaning of Git Bash?
I have been working with Git Bash for the last two days. I know now the basic operations such as commit , push , pull , fetch , and merge . But I still don't know what Git Bash itself actually is!
...
The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity mem
...ntityFunctions.TruncateTime(x.DateTimeStart) == currentDate.Date); let me know your thougs
– GibboK
Jan 30 '13 at 10:46
...
Efficient SQL test query or validation query that will work across all (or most) databases
...g_table WHERE 1=0
or
SELECT 1 FROM INFORMATION_SCHEMA.SYSTEM_USERS
or
CALL NOW()
HSQLDB (tested with version 1.8.0.10)
Note: I tried using a WHERE 1=0 clause on the second query, but it didn't work as a value for Apache Commons DBCP's validationQuery, since the query doesn't return any rows
VAL...
Determine if an object property is ko.observable
...ervable(vm[key]).
Update from comment:
Here is a function to determine if something is a computed observable:
ko.isComputed = function (instance) {
if ((instance === null) || (instance === undefined) || (instance.__ko_proto__ === undefined)) return false;
if (instance.__ko_proto__ === k...
UTF-8: General? Bin? Unicode?
...general_ci is faster than utf8_unicode_ci, but less correct.
Here is the difference:
For any Unicode character set, operations performed using the _general_ci collation are faster than those for the _unicode_ci collation. For example, comparisons for the utf8_general_ci collation are faster, b...