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How to round a number to n decimal places in Java
...t is recommended to create separate format instances for each thread. If multiple threads access a format concurrently, it must be synchronized externally.
– CGK
Aug 10 '16 at 3:05
...
sphinx-build fail - autodoc can't import/find module
... I'm guessing this should be in the docs version? I'm just using the default index.rst file that was created with sphinx-quickstart.
– Rico
Apr 25 '12 at 22:18
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Android: How do I prevent the soft keyboard from pushing my view up?
...inside your activity tag.
Check the official documentation for more info.
<activity
...
android:windowSoftInputMode="adjustPan">
</activity>
If your container is not changing size, then you likely have the height set to "match parent". If possible, set the parent to "Wrap Content...
Get list from pandas DataFrame column headers
...
There is a built in method which is the most performant:
my_dataframe.columns.values.tolist()
.columns returns an Index, .columns.values returns an array and this has a helper function .tolist to return a list.
If performance is not as...
Best way to check if a Data Table has a null value in it
...
Try comparing the value of the column to the DBNull.Value value to filter and manage null values in whatever way you see fit.
foreach(DataRow row in table.Rows)
{
object value = row["ColumnName"];
if (value == DBNull.Value)
// do something
else
// do something else...
Why is “if not someobj:” better than “if someobj == None:” in Python?
...rithm :
If the object has a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero.
Otherwise, if the object has a __len__ special method (a...
Histogram using gnuplot?
...o that you're effectively working in units of 'bins'. Then 'floor' the result to go to the left-hand edge of that bin, add 0.5 to go to the middle of the bin, multiply by the width so that you're no longer working in units of bins but in an absolute scale again, then finally add back on the Min offs...
Xcode 6 Bug: Unknown class in Interface Builder file
...d press enter. You can also try pressing enter inside the class text box (although this usually is to resolve a different issue).
Here is an image to make things more clear:
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What's the maximum value for an int in PHP?
...
From the PHP manual:
The size of an integer is
platform-dependent, although a maximum
value of about two billion is the
usual value (that's 32 bits signed).
PHP does not support unsigned
integers. Integer size can be
determined using the constant
PHP_INT_SIZE, and maximum value using
the cons...
How to find index of all occurrences of element in array?
...ction getAllIndexes(arr, val) {
var indexes = [], i;
for(i = 0; i < arr.length; i++)
if (arr[i] === val)
indexes.push(i);
return indexes;
}
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