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How to find serial number of Android device?
...ELEPHONY_SERVICE);
String uid = tManager.getDeviceId();
getSystemService is a method from the Activity class. getDeviceID() will return the MDN or MEID of the device depending on which radio the phone uses (GSM or CDMA).
Each device MUST return a unique value here (assuming it's a phone). Thi...
Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
... delete rows from it where the length of the string in a particular column is greater than 2.
6 Answers
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How to read a file in reverse order?
...ines()):
print line.rstrip()
And in Python 3:
for line in reversed(list(open("filename"))):
print(line.rstrip())
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How to implement onBackPressed() in Fragments?
Is there a way in which we can implement onBackPressed() in Android Fragment similar to the way in which we implement in Android Activity?
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Vertically centering a div inside another div [duplicate]
I want to center a div which is added inside another div.
24 Answers
24
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How to save a plot as image on the disk?
...linear regression using R.
I would like to save that image as PNG or JPEG, is it possible to do it automatically? (via code)
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Converting an int to std::string
What is the shortest way, preferably inline-able, to convert an int to a string? Answers using stl and boost will be welcomed.
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What does “:=” do?
...n operator to test equality of values (e.g. as in Pascal or Eiffel), which is consistent with the symbol's usage in mathematics, or an assignment operator (e.g. as in C-like languages). Languages making the former choice often use a colon-equals (:=) or ≔ to denote their assignment operator. Langu...
How to prevent logback from outputting its own status at the start of every log when using a layout
This seems like a carelessness error, but I can't seem to find the cause. Logging with logback/slf4j (most recent version slf4j-api-1.6.1, logback core/classic 0.9.24). Simplest log configuration for testing is:
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Switch statement fall-through…should it be allowed? [closed]
...
It may depend on what you consider fallthrough. I'm ok with this sort of thing:
switch (value)
{
case 0:
result = ZERO_DIGIT;
break;
case 1:
case 3:
case 5:
case 7:
case 9:
result = ODD_DIGIT;
break;
case 2:
case 4:
case 6:
case 8:
result = ...