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Android 1.6: “android.view.WindowManager$BadTokenException: Unable to add window — token null is not
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edited Jan 19 '18 at 7:34
CopsOnRoad
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Preferred Java way to ping an HTTP URL for availability
...yName(hostname).isReachable();
This however doesn't explicitly test port 80. You risk to get false negatives due to a Firewall blocking other ports.
Do I have to somehow close the connection?
No, you don't explicitly need. It's handled and pooled under the hoods.
I suppose this is a ...
Asynchronous Requests with Python requests
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answered Feb 8 '12 at 7:23
JeffJeff
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Why are hexadecimal numbers prefixed with 0x?
...ames had 12, 24 or 36 bits per byte, which is nicely divisible by 3 = log2(8).
The BCPL language used the syntax 8 1234 for octal numbers. When Ken Thompson created B from BCPL, he used the 0 prefix instead. This is great because
an integer constant now always consists of a single token,
the pars...
Sublime Text 2 - View whitespace characters
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Andrew BarrettAndrew Barrett
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How to detect pressing Enter on keyboard using jQuery?
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18 Answers
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How to convert a String to its equivalent LINQ Expression Tree?
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edited Sep 28 '15 at 11:53
Erwin Mayer
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Progress indicator during pandas operations
...import tqdm # for notebooks
df = pd.DataFrame(np.random.randint(0, int(1e8), (10000, 1000)))
# Create and register a new `tqdm` instance with `pandas`
# (can use tqdm_gui, optional kwargs, etc.)
tqdm.pandas()
# Now you can use `progress_apply` instead of `apply`
df.groupby(0).progress_apply(lamb...
How to make a new List in Java
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1008
List myList = new ArrayList();
or with generics (Java 7 or later)
List<MyType> myList =...
How to change time and timezone in iPhone simulator?
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answered Nov 9 '09 at 8:11
nduplessisnduplessis
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