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What does the tilde (~) mean in my composer.json file?
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Tilde means next significant release. In your case, it is equivalent to >= 2.0, < 3.0.
The full explanation is at Tilde Version Range docs page:
The ~ operator is best explained by example: ~1.2 is equivalent to >=1.2 <2.0.0, whi...
Get selected option from select element
...ade a good catch, judging by your element name txtEntry2 may be a textbox, if it's any kind of input, you'll need to use .val() instead or .text() like this:
$('#txtEntry2').val($(this).find(":selected").text());
For the "what's wrong?" part of the question: .text() doesn't take a selector, it ...
Display a float with two decimal places in Python
...nction taking float arguments (generally integers or decimals with one significant digit), and I need to output the values in a string with two decimal places (5 -> 5.00, 5.5 -> 5.50, etc). How can I do this in Python?
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MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
...yword VALUES to refer to new values (see documentation).
INSERT INTO beautiful (name, age)
VALUES
('Helen', 24),
('Katrina', 21),
('Samia', 22),
('Hui Ling', 25),
('Yumie', 29)
ON DUPLICATE KEY UPDATE
age = VALUES(age),
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Java “user.dir” property - what exactly does it mean?
...ectory. It can be anywhere where the user has permission to run java.
So if you cd into /somedir, then run your program, user.dir will be /somedir.
A different property, user.home, refers to the user directory. As in /Users/myuser or /home/myuser or C:\Users\myuser.
See here for a list of syste...
Converting JSONarray to ArrayList
...ArrayList<String>();
JSONArray jArray = (JSONArray)jsonObject;
if (jArray != null) {
for (int i=0;i<jArray.length();i++){
listdata.add(jArray.getString(i));
}
}
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Disable HttpClient logging
...f. I've tried following the instructions here but none of them make any difference.
31 Answers
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Notification when a file changes?
Is there some mechanism by which I can be notified (in C#) when a file is modified on the disc?
3 Answers
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Adding a favicon to a static HTML page
.... man lol i rate i am going to restart it all and then try boot up and see if maybe its cashing wrong or something..
– TheLegend
Mar 30 '12 at 13:27
6
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Find integer index of rows with NaN in pandas dataframe
... thanks, .nonzero()[0] is better than [i for i, k in enumerate(mask) if k] .)
– Winand
Feb 4 '16 at 6:51
2
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