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Java Byte Array to String to Byte Array
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You can't just take the returned string and construct a string from it... it's not a byte[] data type anymore, it's already a string; you need to parse it. For example :
String response = "[-47, 1, 16, 84, 2, 101, 110, 83, 111, 109, 101, 32, 78, 70, 67, 32, 68, 97, 116, 97]"; // re...
VIM: Deleting from current position until a space
...en developing I am confronted with a nested object that I'd like to delete from code in the middle of a line like this:
6 A...
explicit casting from super class to subclass
...ever possibly work.
Because you're essentially just stopping the compiler from complaining, every time you cast it's important to check that you won't cause a ClassCastException by using instanceof in an if statement (or something to that effect.)
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get client time zone from browser [duplicate]
Is there a reliable way to get a timezone from client browser? I saw the following links but I want a more robust solution.
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...hey only hold Unicode point codes and therefore can hold any Unicode point from across the entire spectrum. Strings contain encoded text, beit UTF-8, UTF-16, ISO-8895-1, GBK, Big5 etc. Strings are decoded to Unicode and Unicodes are encoded to strings. Files and text data are always transferred in e...
How to create a memory leak in Java?
...clears all references to the custom class or the ClassLoader it was loaded from.
Repeat.
Due to the way ThreadLocal is implemented in Oracle's JDK, this creates a memory leak:
Each Thread has a private field threadLocals, which actually stores the thread-local values.
Each key in this map is a w...
Pandas: drop a level from a multi-level column index?
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You can use MultiIndex.droplevel:
>>> cols = pd.MultiIndex.from_tuples([("a", "b"), ("a", "c")])
>>> df = pd.DataFrame([[1,2], [3,4]], columns=cols)
>>> df
a
b c
0 1 2
1 3 4
[2 rows x 2 columns]
>>> df.columns = df.columns.droplevel()
>>...
Why does “pip install” inside Python raise a SyntaxError?
I'm trying to use pip to install a package. I try to run pip install from the Python shell, but I get a SyntaxError . Why do I get this error? How do I use pip to install the package?
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Re-doing a reverted merge in Git
...C---D
But does it all work? Sure it does. You can revert a merge, and from a
purely technical angle, git did it very naturally and had no real
troubles.
It just considered it a change from "state before merge" to
"state after merge", and that was it.
Nothing complicated, nothing odd,
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Git command to show which specific files are ignored by .gitignore
... check-ignore -v $(find . -type f -print)
Make sure to exclude the files from the .git/ subfolder though.
Original answer 42009)
git ls-files -i
should work, except its source code indicates:
if (show_ignored && !exc_given) {
fprintf(stderr, "%s: --ignored needs some...