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How do I know the current width of system scrollbar?
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Look at the System.Windows.Forms.SystemInformation class members: HorizontalScrollBarHeight and VerticalScrollBarWidth.
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How to create a file in memory for user to download, but not through server?
...ement);
element.click();
document.body.removeChild(element);
}
form * {
display: block;
margin: 10px;
}
<form onsubmit="download(this['name'].value, this['text'].value)">
<input type="text" name="name" value="test.txt">
<textarea name="text"></textarea&...
HTML text input allow only numeric input
...t varies:
Most browsers will only validate the input when submitting the form, and not when typing.
Most mobile browsers don't support the step, min and max attributes.
Chrome (version 71.0.3578.98) still allows the user to enter the characters e and E into the field. Also see this question.
Firef...
How do I avoid the specification of the username and password at every git push?
...ER@YOUR_IP:~/.ssh/authorized_keys/id_rsa.pub
3. Set your remote URL to a form that supports SSH 1
If you have done the steps above and are still getting the password prompt, make sure your repo URL is in the form
git+ssh://git@github.com/username/reponame.git
as opposed to
https://github.com/...
Print only?
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@Kevin i try this for form but it print empty form (without data) and i need a filled form to be print before submitting
– Arif
Mar 15 '12 at 12:29
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How do I run all Python unit tests in a directory?
...ectory that contains my Python unit tests. Each unit test module is of the form test_*.py . I am attempting to make a file called all_test.py that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have failed. I will s...
jQuery UI Sortable, then write order into a database
...tation says for using serialize option you should define id as name_number format.
– parisssss
Jun 15 '14 at 19:12
5
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How to create the most compact mapping n → isprime(n) up to a limit N?
...aper.
If you want to find big numbers, look into primes that have special forms like Mersenne primes.
The algorithm I usually implement (easy to understand and code) is as follows (in Python):
def isprime(n):
"""Returns True if n is prime."""
if n == 2:
return True
if n == 3:
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How to force a web browser NOT to cache images
...for two pro-bono websites. It provides the website administrator with HTML forms for events where they fill the fields (date, place, title, description, links, etc.) and save it. On that form I allow the administrator to upload an image related to the event. On the HTML page displaying the form, I a...
How to tell whether a point is to the right or left side of a line
...re a = line point 1; b = line point 2; c = point to check against.
If the formula is equal to 0, the points are colinear.
If the line is horizontal, then this returns true if the point is above the line.
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