大约有 48,000 项符合查询结果(耗时:0.0480秒) [XML]
HashSet versus Dictionary w.r.t searching time to find if an item exists
...for both, for me, in this test.
Test Code:
private const int TestReps = 100_000_000;
[Test]
public void CompareHashSetContainsVersusDictionaryContainsKey()
{
for (int j = 0; j < 10; j++)
{
var rand = new Random();
var dict = new Dictionary<int, int>();
var ha...
jquery data selector
... going to be extremely great compared to what's possible, selecting from $._cache and grabbing the corresponding elements is by far the fastest, but a lot more round-about and not very "jQuery-ey" in terms of how you get to stuff (you usually come in from the element side). Of th top of my head, I'...
Converting JSON String to Dictionary Not List
...ess your dictionary by accessing item 0 in the list, as shown below:
json1_data = json.loads(json1_str)[0]
Now you can access the data stored in datapoints just as you were expecting:
datapoints = json1_data['datapoints']
I have one more question if anyone can bite: I am trying to take th...
Struct like objects in Java
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So use overloading... private int _x; public void x(int value) { _x = value; } public int x() { return _x; }
– Gordon
Jan 7 '12 at 20:44
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Could not load NIB in bundle
...wered Jun 17 '11 at 0:08
creator_11creator_11
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What is the performance cost of having a virtual method in a C++ class?
... be non-virtual is an abominable policy.
– underscore_d
May 20 '17 at 19:34
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...res? If it doesn't, then this doesn't help.
– duality_
Sep 3 at 9:27
@duality_ If it doesn't, write a patch :)
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Regex, every non-alphanumeric character except white space or colon
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No alphanumeric, white space or '_'.
var reg = /[^\w\s)]|[_]/g;
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Can I target all tags with a single selector?
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¯_(ツ)_/¯ "can" != "should". Even so, the Sass/LESS options give you extensibility that vanilla CSS does not. Think of something like font-size: (48px / @index).
– Steve
Jul 21 '16 at...
How to return an array from JNI to Java?
...ode is going to look something like this:
JNIEXPORT jintArray JNICALL Java_ArrayTest_initIntArray(JNIEnv *env, jclass cls, int size)
{
jintArray result;
result = (*env)->NewIntArray(env, size);
if (result == NULL) {
return NULL; /* out of memory error thrown */
}
int i;
// fill a temp...
