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What are attributes in .NET?
...work with :-( )
You can put attributes on most things and there are whole range of predefined attributes. The editor mentioned above also looks for custom attributes on properties that describe the property and how to edit it.
Once you get the whole idea, you'll wonder how you ever lived without t...
Reverting a single file to a previous version in git [duplicate]
...ges you want and commit that.
E.g. If you want to undo the changes in the range from..to, do the following
git diff to..from > foo.diff # get a reverse diff
patch < foo.diff
git commit -a -m "Undid changes from..to".
...
Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
...ader_list = df.columns.values.tolist() # Generate list of headers
for i in range(0, len(header_list)):
worksheet.set_column(i, i, len(header_list[i])) # Set column widths based on len(header)
writer.save() # Save the excel file
...
Declare slice or make slice?
...]int, fn func(int) bool) []int {
var p []int // == nil
for _, v := range s {
if fn(v) {
p = append(p, v)
}
}
return p
}
It means that, to append to a slice, you don't have to allocate memory first: the nil slice p int[] is enough as a slice to add to.
...
How to use LINQ to select object with minimum or maximum property value
...ch entry. Still using the people age as example:
var youngest = Enumerable.Range(0, int.MaxValue)
.Zip(people, (idx, ppl) => (ppl.DateOfBirth, idx, ppl)).Min().Item3;
share
|
impr...
Matplotlib - global legend and title aside subplots
...properly. If you don't understand let me know:
legendLabels = []
for i in range(modSize):
legendLabels.append(ax.plot(x,hstack((array([0]),actSum[j,semi,i,semi])), color=plotColor[i%8], dashes=dashes[i%4])[0]) #linestyle=dashs[i%4]
legArgs = dict(title='AM Templates (Hz)',bbox_to_anchor=...
Why does multiprocessing use only a single core after I import numpy?
...)
>>> os.sched_getaffinity(0)
{1, 3}
>>> x = {i for i in range(10)}
>>> x
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
>>> os.sched_setaffinity(0, x)
>>> os.sched_getaffinity(0)
{0, 1, 2, 3}
s...
cannot convert data (type interface {}) to type string: need type assertion
...alue type, we have to do it individually:
// var items []i
for _, item := range items {
value, ok := item.(T)
dosomethingWith(value)
}
Performance
As for performance, it can be slower than direct access to the actual value as show in this stackoverflow answer.
...
Why can't I use switch statement on a String?
...if-else is preferable as it allows you to handle str values outside of the range RED,BLUE without needing to catch an exception from valueOf or manually check for a match against the name of each enumeration type which just adds unnecessary overhead. In my experience it has only made sense to use va...
Remove the bottom divider of an android ListView
... with 4.4.2. I can run literally the same app across my many test devices (ranging from 2.3.7 all the way up until 4.4.2) and KitKat is the only one where this seems to have no effect... Any ideas? I'm not adding a footer or header to my ListView and I've reproduced this on two devices (Nexus 5 and ...