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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...d you want to replace "IMG" with "myVacation".
With bash you can directly convert the string with parameter expansion.
Example: if the file is IMG_327.jpg, the mv command will be executed as if you do mv IMG_327.jpg myVacation_327.jpg. And this will be done for each file found in the directory mat...
“used as value” in function call
...u've forgotten to declare a return value. It should be:
func sumThis(a, b int) int {
// ...
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SharedPreferences.onSharedPreferenceChangeListener not being called consistently
...eView. And that was because I listened to the Android Studio telling me to convert the listener to a local variable.
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pandas dataframe columns scaling with sklearn
...s a single feature or X.reshape(1, -1)
if it contains a single sample.
Converting your columns to numpy arrays should do the job (I prefer StandardScaler):
from sklearn.preprocessing import StandardScaler
scale = StandardScaler()
dfTest[['A','B','C']] = scale.fit_transform(dfTest[['A','B','C']...
What exactly does @synthesize do?
...
As I just run into this problem when editing legacy code I want to make additional notes to the existing answers one needs to be aware of.
Even with a newer compiler version it sometimes does make a difference if you omit @synthesize prop...
Are nested try/except blocks in python a good programming practice?
...more complicated situations you may be right, but I think that when you're converting between exception types you often know that the details of the first exception don't matter to the outside user. That is, if __getattr__ raises an exception the bug is probably a typo in the attribute access, not a...
Is there any algorithm in c# to singularize - pluralize a word?
...ationService, which has lots of exceptional cases defined in and makes for interesting reading. I particularly like 'pneumonoultramicroscopicsilicovolcanoconiosis', which I find myself using all the time in my entity models... 8o)
– MrKWatkins
Jan 19 '12 at 17:...
Is Ruby pass by reference or by value?
... methods do a shallow copy, so the instance variables of the clone still point to the same objects that the originals did. If the objects referenced by the ivars mutate, that will still show up in the copy, since it's referencing the same objects.)
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Extract digits from a string in Java
... I guess you can downvote anything you like to downvote (no sarcasm intended). But my personal opinion is: when great developers (and we have lots of them here) share some of their advice for free, then I'm going to honor that, and I only downvote stuff that's really awful (check my profile, ...
Why do my list item bullets overlap floating elements
...he only working remedy for this issue with Prince XML, a XHTML+CSS3 to PDF converter.
– Serge Stroobandt
Apr 4 '15 at 2:38
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