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Why does Java's hashCode() in String use 31 as a multiplier?
...rved as a bad example for many programmers when writing their own hashCode functions.
– Hans-Peter Störr
May 12 '10 at 7:42
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
...hing similar but I'm not sure what to google.
– teter123f
Aug 15 at 19:36
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Installing multiple instances of the same windows service on a server
... application and everything is going great. The client has come up with a fun configuration request that requires two instances of this service running on the same server and configured to point at separate databases.
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Install an apk file from command prompt?
...en double quotes like
adb -s a3b09a6e install "c:\my apk location\here 123\example.apk"
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How to erase the file contents of text file in Python?
...ion given the new direction of the question?
– Seanny123
May 1 '19 at 18:39
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How to increase space between dotted border dots
...
Applied to small elements with big rounded corners may make for some fun effects.
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Simple regular expression for a decimal with a precision of 2
...e
deci_num_checker = re.compile(r"""^[0-9]+(\.[0-9]{1,2})?$""")
valid = ["123.12", "2", "56754", "92929292929292.12", "0.21", "3.1"]
invalid = ["12.1232", "2.23332", "e666.76"]
assert len([deci_num_checker.match(x) != None for x in valid]) == len(valid)
assert [deci_num_checker.match(x) == None fo...
Getting a map() to return a list in Python 3.x
...t for using 3.1's map would be lazy evaluation when iterating on a complex function, large data sets, or streams.
– Andrew Keeton
Aug 20 '09 at 0:45
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How to change or add theme to Android Studio?
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123
//you need to go to the File-> settings
in that choose IDE settings-> Appearance in tha...
How to escape single quotes within single quoted strings
...aped single quote and reopens the string.
I often whip up a "quotify" function in my Perl scripts to do this for me. The steps would be:
s/'/'\\''/g # Handle each embedded quote
$_ = qq['$_']; # Surround result with single quotes.
This pretty much takes care of all cases.
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