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Count how many records are in a CSV Python?
...ncname}("{filename}")', setup=f'from __main__ import {funcname}', number = 100) / 100
print('Elapsed time : ', t)
print('n = ', func(filename))
print('\n')
def sum1forline(filename):
with open(filename) as f:
return sum(1 for line in f)
talktime(filename, 'sum1forline', sum1...
How can I check if a background image is loaded?
...mb').waitForImages(function() { $(this).parents('.photoThumbFrame').delay(1000).slideDown(); }, function(loaded, count, success) { });
– Relm
Mar 26 '15 at 8:20
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CROSS JOIN vs INNER JOIN in SQL
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Cross join does not combine the rows, if you have 100 rows in each table with 1 to 1 match, you get 10.000 results, Innerjoin will only return 100 rows in the same situation.
These 2 examples will return the same result:
Cross join
select * from table1 cross join table2 w...
Hide text using css
...*/
background-image: url(/the_img.png); /* shows image */
height: 100px; /* be sure to set height & width */
width: 600px;
white-space: nowrap; /* because only the first line is indented */
}
h1 a {
outline: none; /* prevents dotted line w...
Authorative way to override onMeasure()?
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int myWidth = (int) Math.round(parentWidth * (widthPercent / 100.0));
int myHeight = (int) Math.round(parentHeight * (heightPercent / 100.0));
//Considering we need to set horizontal & vertical position of the view in parent
AlignmentTraitValue vAlign = cu...
Prompt Dialog in Windows Forms
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Button confirmation = new Button() { Text = "Ok", Left=350, Width=100, Top=70, DialogResult = DialogResult.OK };
confirmation.Click += (sender, e) => { prompt.Close(); };
prompt.Controls.Add(textBox);
prompt.Controls.Add(confirmation);
prompt.Controls.Add(...
MySQL offset infinite rows
...your database, maybe what you really want is to grab them in increments of 100 million and loop 184 billion times.
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Making TextView scrollable on Android
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100
But surely maxLines requires you to enter an arbitrary number; this isn't something that will work for every screen size and font size? I ...
How do I group Windows Form radio buttons?
...toSize = true;
rb2.AutoCheck = false;
rb2.Top = 50;
rb2.Left = 100;
rb2.GroupName = "a";
rb2.Click += RadioButton2_Clicked;
Controls.Add(rb2);
//b group
RadioButton2 rb3 = new RadioButton2();
rb3.Text = "radio3";
rb3.AutoSize = true;
rb3.AutoCheck = false...
Prevent scroll-bar from adding-up to the Width of page on Chrome
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Probably
html {
width: 100vw;
}
is just what you want.
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