大约有 43,000 项符合查询结果（耗时：0.0464秒） [XML]
How to create a numpy array of all True or all False?
...ata itself when possible? I can't imagine numpy doing any heavy lifting to convert int 1 to bool True.
– BallpointBen
May 8 '18 at 19:02
add a comment
|
...
Jackson serialization: ignore empty values (or null)
...y using jackson 2.1.4 and I'm having some trouble ignoring fields when I'm converting an object to a JSON string.
8 Answers...
Best practice for localization and globalization of strings and labels [closed]
...in some ways also defining an smaller function name like _) for retrieving/converting the key to the value. In my explaining the key means that string you want to translate and the value means translated string.
Then, you just need a JSON document to store key's and value's.
For example:
var _ = d...
Understanding Spliterator, Collector and Stream in Java 8
....map(Person::getName).collect(Collectors.toCollection(TreeSet::new));
// Convert elements to strings and concatenate them, separated by commas
String joined = things.stream()
.map(Object::toString)
.collect(Collectors.joining(", "));
// Compute sum ...
How do I round to the nearest 0.5?
...right
var f:int = Math.round(r * 10 - n) * 5;// INTEGER - Test 1 or 0 then convert to 5
var d:Number = (n + (f / 10)) / 10; // NUMBER - Re-assemble the number
trace("ORG No: " + r);
trace("NEW No: " + d);
Thats pretty much it.
Note the use of 'Numbers' and 'Integers' and the way they are proces...
Total memory used by Python process?
...tespace
if len(v) < 3:
return 0.0 # invalid format?
# convert Vm value to bytes
return float(v[1]) * _scale[v[2]]
def memory(since=0.0):
'''Return memory usage in bytes.
'''
return _VmB('VmSize:') - since
def resident(since=0.0):
'''Return resident memory...
Get a specific bit from byte
...this kills it. Otherwise you could always do other unnecessary things like Convert.ToString(num,2)[bitNumber] and get it too.
– Gaspa79
Apr 13 '17 at 2:03
add a comment
...
With arrays, why is it the case that a[5] == 5[a]?
...or) is equivalent to i[p].
(And in array[i], the array name is implicitly converted to a pointer to the array's first element.)
But the commutativity of addition is not all that obvious in this case.
When both operands are of the same type, or even of different numeric types that are promoted to ...
Troubleshooting “Illegal mix of collations” error in mysql
...e same collation as utf8_column. Values of latin1_column are automatically converted to utf8 before concatenating.
For an operation with operands from the same character set but that mix a _bin collation and a _ci or _cs collation, the _bin collation is used. This is similar to how operations that...
How can I generate UUID in C#
...se the first three parts (Data1-3).
I do it this way:
var rfc4122bytes = Convert.FromBase64String("aguidthatIgotonthewire==");
Array.Reverse(rfc4122bytes,0,4);
Array.Reverse(rfc4122bytes,4,2);
Array.Reverse(rfc4122bytes,6,2);
var guid = new Guid(rfc4122bytes);
See this answer for the specific .N...