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What would cause an algorithm to have O(log n) complexity?

...f this. Processing values one digit at a time How many digits are in the base-10 number n? Well, if there are k digits in the number, then we'd have that the biggest digit is some multiple of 10k. The largest k-digit number is 999...9, k times, and this is equal to 10k + 1 - 1. Consequently, if...
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Adding external library into Qt Creator project

...are using and put this in the CONFIG variable. And, for instance for Linux 64bit, then: linux64 { LIBSSL= $$OPENSSLPATH/linux64/lib/libssl.a !exists($$LIBSSL): error ("Not existing $$LIBSSL") LIBS+= $$LIBSSL LIBCRYPTO= $$OPENSSLPATH/linux64/lib/libcrypto.a !exists($$LIBCRYPTO): ...
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Visual Studio 64 bit?

Is there any 64 bit Visual Studio at all? Why not? 5 Answers 5 ...
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SVN Repository Search [closed]

...g the svn log --search command. See the updated answer about the new webui-based search. It does not have this limitation. – bahrep Jan 11 at 12:27 add a comment ...
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How do I check/uncheck all checkboxes with a button using jQuery?

... @MichalSkop This code selects or deselects based on whether the #checkAll is checked or not. If you want to uncheck all then you can just use the value false like this $("input:checkbox").prop('checked', false); – Richard Garside ...
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Should I use the datetime or timestamp data type in MySQL?

... but it is a cleaner design long-term. Of course, present the info to user based on their current settings. If user wishes to enter "09:00 in Paris", then let them set Paris time, then enter 09:00. Then anyone who is in New York can easily find what time they need to be awake at their time, to telec...
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Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]

I have installed OpenSSL 64. I want to use a certificate for my nodejs https server. I ran the following command: 7 Answers...
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How to request Administrator access inside a batch file

...This script is now slightly edited to support command line arguments and a 64 bit OS. Thank you Eneerge @ https://sites.google.com/site/eneerge/scripts/batchgotadmin @echo off :: BatchGotAdmin :------------------------------------- REM --> Check for permissions IF "%PROCESSOR_ARCHITECTURE...
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Relationship between SciPy and NumPy

...scimath.log(-math.exp(1)) == (1+1j*math.pi) True Similarly, sqrt(), other base logarithms, power() and trig functions are correctly handled. See their respective docstrings for specific examples. """ It seems that module overlays the base numpy ufuncs for sqrt, log, log2, logn, log10, power, arc...
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Pandas - Get first row value of a given column

...ecommended) and df_test.iloc[0]['Btime']: DataFrames store data in column-based blocks (where each block has a single dtype). If you select by column first, a view can be returned (which is quicker than returning a copy) and the original dtype is preserved. In contrast, if you select by row first, ...