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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
...You can inject little pieces of Ruby code directly into your strings.
name1 = "John"
name2 = "Mary"
"hello, #{name1}. Where is #{name2}?"
You can also do format strings in Ruby.
"hello, %s. Where is %s?" % ["John", "Mary"]
Remember to use square brackets there. Ruby doesn't have tuples, jus...
Hide Console Window in C# Console Application
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190
Change the output type from Console Application to Windows Application. This can be done under...
jquery, find next element by class
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149
In this case you need to go up to the <tr> then use .next(), like this:
$(obj).closest(...
Practical usage of setjmp and longjmp in C
...B(); // forward declaration
void routineA()
{
int r ;
printf("(A1)\n");
r = setjmp(bufferA);
if (r == 0) routineB();
printf("(A2) r=%d\n",r);
r = setjmp(bufferA);
if (r == 0) longjmp(bufferB, 20001);
printf("(A3) r=%d\n",r);
r = setjmp(bufferA);
if (r ...
When exactly are onSaveInstanceState() and onRestoreInstanceState() called?
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107
Per the documentation:
void onRestoreInstanceState (Bundle savedInstanceState)
This m...
POSTing a @OneToMany sub-resource association in Spring Data REST
...r":"abc","content":"PQROHSFHFSHOFSHOSF", "post":"http://{server:port}/post/1"}
and it will work perfectly fine.
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C# List of objects, how do I get the sum of a property
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316
using System.Linq;
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double total = myList.Sum(item => item.Amount);
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How do I convert a string to a double in Python?
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>>> x = "2342.34"
>>> float(x)
2342.3400000000001
There you go. Use float (which behaves like and has the same precision as a C,C++, or Java double).
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Truncate all tables in a MySQL database in one command?
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edited Apr 11 '16 at 19:32
Mathias Bynens
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