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Checking if a key exists in a JavaScript object?
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4314
Checking for undefined-ness is not an accurate way of testing whether a key exists. What if the...
How can I round up the time to the nearest X minutes?
Is there a simple function for rounding UP a DateTime to the nearest 15 minutes?
13 Answers
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CSS display:table-row does not expand when width is set to 100%
...tion basically provides the equivalent bad markup of:
<tr style="width:100%">
<td>Type</td>
<td style="float:right">Name</td>
</tr>
Where's the table in the above? You can't just have a row out of nowhere (tr must be contained in either table, thead, tb...
jQuery posting JSON
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edited Nov 9 '17 at 21:07
davidism
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How to create a custom string representation for a class object?
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edited Sep 6 at 11:51
Tomerikoo
7,22755 gold badges1818 silver badges3131 bronze badges
answer...
Java: Class.this
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171
LocalScreen.this refers to this of the enclosing class.
This example should explain it:
public...
In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
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As pointed out in this answer, Django 1.9 added the Field.disabled attribute:
The disabled boolean argument, when set to True, disables a form field using the disabled HTML attribute so that it won’t be editable by users. Even if a user tampers with the fie...
JavaScript equivalent to printf/String.Format
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ipython notebook clear cell output in code
...utput of a cell.
from IPython.display import clear_output
for i in range(10):
clear_output(wait=True)
print("Hello World!")
At the end of this loop you will only see one Hello World!.
Without a code example it's not easy to give you working code. Probably buffering the latest n events i...
How to pass an ArrayList to a varargs method parameter?
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edited Oct 10 '19 at 21:52
answered Mar 25 '12 at 20:27
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