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Delete with Join in MySQL
...n a row, it is going to run that query inside IN. That means, if there are 100 rows that needs to be checked against that WHERE, that subquery is going to be run 100 times. Whereas a JOIN will only run ONCE. So, as your db gets bigger and bigger, that query is going to take longer and longer to fini...
How to avoid soft keyboard pushing up my layout? [duplicate]
...tRootView().getHeight() - (r.bottom - r.top);
if (heightDiff > 100) { // if more than 100 pixels, its probably a keyboard...
//ok now we know the keyboard is up...
view_one.setVisibility(View.GONE);
view_two.setVisibility(View.GONE);
} else {
...
How to save an HTML5 Canvas as an image on a server?
...ntext.beginPath();
context.moveTo(170, 80);
context.bezierCurveTo(130, 100, 130, 150, 230, 150);
context.bezierCurveTo(250, 180, 320, 180, 340, 150);
context.bezierCurveTo(420, 150, 420, 120, 390, 100);
context.bezierCurveTo(430, 40, 370, 30, 340, 50);
context.bezierCurveTo(320, 5, 250, ...
UITextView that expands to text using auto layout
... multiplier:0.f
constant:100];
[self addConstraint:_descriptionHeightConstraint];
In the setBounds method, I then changed the value of the constant.
-(void) setBounds:(CGRect)bounds
{
[super setBounds:bounds];
_descriptionTextView.frame ...
Efficient paging in SQLite with millions of records
...T *
FROM MyTable
WHERE SomeColumn > LastValue
ORDER BY SomeColumn
LIMIT 100;
(This is explained with more detail on the SQLite wiki.)
When you have multiple sort columns (and SQLite 3.15 or later), you can use a row value comparison for this:
SELECT *
FROM MyTable
WHERE (SomeColumn, OtherColu...
What is :: (double colon) in Python when subscripting sequences?
...
The syntax is:
seq[start:end:step]
So you can do:
>>> range(100)[5:18:2]
[5, 7, 9, 11, 13, 15, 17]
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Improve subplot size/spacing with many subplots in matplotlib
... as plt
import matplotlib.ticker as tic
fig = plt.figure()
x = np.arange(100)
y = 3.*np.sin(x*2.*np.pi/100.)
for i in range(5):
temp = 510 + i
ax = plt.subplot(temp)
plt.plot(x,y)
plt.subplots_adjust(hspace = .001)
temp = tic.MaxNLocator(3)
ax.yaxis.set_major_locator(temp)...
How to distinguish between left and right mouse click with jQuery
...ss("right");
}
});
div.target {
border: 1px solid blue;
height: 100px;
width: 100px;
}
div.target.left {
background-color: #0faf3d;
}
div.target.right {
background-color: #f093df;
}
div.target.middle {
background-color: #00afd3;
}
div.log {
text-align: left;...
Node.js Logging
...answered Oct 15 '13 at 10:30
sam100ravsam100rav
3,37633 gold badges2222 silver badges4343 bronze badges
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How to read the RGB value of a given pixel in Python?
...nel. For this reason I've created this gradient:
The image has a width of 100px and a height of 26px. It has a color gradient going from #ffaa00 (yellow) to #ffffff (white). The output is:
[[255 172 5]
[255 172 5]
[255 172 5]
[255 171 5]
[255 172 5]
[255 172 5]
[255 171 5]
[255...