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Unioning two tables with different number of columns
...Normally you need to have the same number of columns when you're using set based operators so Kangkan's answer is correct.
SAS SQL has specific operator to handle that scenario:
SAS(R) 9.3 SQL Procedure User's Guide
CORRESPONDING (CORR) Keyword
The CORRESPONDING keyword is used only when a set oper...
convert a JavaScript string variable to decimal/money
... if(!str || isNaN(n) || n < 0) return 0;
return n.toFixed(2);
}
Demo is here
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How can I generate random alphanumeric strings?
...hen the call to .Next() will return the same value as Random() uses a time based seed.
– Dan Rigby
Sep 30 '13 at 18:16
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Can't install Ruby under Lion with RVM – GCC issues
... Store
I kept getting errors like :
The provided CC(/usr/bin/gcc) is LLVM based.
bash-3.2$ rvm install 1.9.3
ERROR: The provided CC(/usr/bin/gcc) is LLVM based, it is not yet fully supported by ruby and gems, please read `rvm requirements`.
After 2 days finally got it working with these two lin...
How to set data attributes in HTML elements
... DOM element.innerHTML) the browser is effectively regenerating it for you based on the state of the DOM at the time. Sort of.
– nnnnnn
Nov 23 '12 at 7:52
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Fastest way to determine if an integer's square root is an integer
... doing a bit-wise "and." Perfect squares can only end in 0, 1, 4, or 9 in base 16, So for 75% of your inputs (assuming they are uniformly distributed) you can avoid a call to the square root in exchange for some very fast bit twiddling.
Kip benchmarked the following code implementing the hex tric...
Java String to SHA1
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return result;
}
BTW, you may get more compact representation using Base64. Apache Commons Codec API 1.4, has this nice utility to take away all the pain. refer here
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Quickest way to convert a base 10 number to any base in .NET?
... and old(ish) C# method I wrote that takes a number and converts it to any base:
12 Answers
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How do I use prepared statements in SQlite in Android?
...repared statements in Android all the time, it's quite simple :
SQLiteDatabase db = dbHelper.getWritableDatabase();
SQLiteStatement stmt = db.compileStatement("INSERT INTO Country (code) VALUES (?)");
stmt.bindString(1, "US");
stmt.executeInsert();
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
...solution here http://jakob.engbloms.se/archives/1403
c:\msysgit\bin>rebase.exe -b 0x50000000 msys-1.0.dll
For me solution was slightly different. It was
C:\Program Files (x86)\Git\bin>rebase.exe -b 0x50000000 msys-1.0.dll
Before you rebase dlls, you should make sure it is not in use:
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