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Match whitespace but not newlines
I sometimes want to match whitespace but not newline.
6 Answers
6
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Knight's Shortest Path on Chessboard
... cases. So the solution becomes:
function getMoveCountO1(x, y) {
var newXY = simplifyBySymmetry(x, y);
x = newXY.x;
y = newXY.y;
var specialMoveCount = getSpecialCaseMoveCount(x ,y);
if (specialMoveCount !== undefined)
return specialMoveCount;
else if (isVertica...
How to add an integer to each element in a list?
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new_list = [x+1 for x in my_list]
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Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...k = b1
a12 + a22 + ... + ak2 = b2
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a1k + a2k + ... + akk = bk
Using Newton's identities, knowing bi allows to compute
c1 = a1 + a2 + ... ak
c2 = a1a2 + a1a3 + ... + ak-1ak
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ck = a1a2 ... ak
If you expand the polynomial (x-a1)...(x-ak) the coefficients will be exactly c1, ..., ck - see...
How do I fit an image (img) inside a div and keep the aspect ratio?
I have a 48x48 div and inside it there is an img element, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css?
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Check if two unordered lists are equal [duplicate]
... this answer
x.sort() sorts x, which is a side effect. sorted(x) returns a new list.
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How to open a second activity on click of button in android app
...add this method:
public void sendMessage(View view) {
Intent intent = new Intent(FromActivity.this, ToActivity.class);
startActivity(intent);
}
And the most important thing: don't forget to define your activity in manifest.xml
<activity>
android:name=".ToActivity"
andr...
Using %f with strftime() in Python to get microseconds
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edited May 14 '13 at 6:51
Craig McQueen
35.7k2626 gold badges107107 silver badges166166 bronze badges
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How do I perform the SQL Join equivalent in MongoDB?
...f Mongo 3.2 the answers to this question are mostly no longer correct. The new $lookup operator added to the aggregation pipeline is essentially identical to a left outer join:
https://docs.mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
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SQLite in Android How to update a specific row
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First make a ContentValues object :
ContentValues cv = new ContentValues();
cv.put("Field1","Bob"); //These Fields should be your String values of actual column names
cv.put("Field2","19");
cv.put("Field2","Male");
Then use the update method, it should work now:
myDB.update(Ta...