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What is Bit Masking?
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Also, to convert an integer to an odd no. if it is an even number: i=i|1. This comes in handy when we are trying to generate a sequence like 1, 3, 5,..., 2, 4, 6,...
– Harshit Sharma
Mar 6 '19 at...
How to format numbers by prepending 0 to single-digit numbers?
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If the number is higher than 9, convert the number to a string (consistency). Otherwise, add a zero.
function n(n){
return n > 9 ? "" + n: "0" + n;
}
n( 9); //Returns "09"
n(10); //Returns "10"
n(999);//Returns "999"
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Why I cannot cout a string?
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Use c_str() to convert the std::string to const char *.
cout << "String is : " << text.c_str() << endl ;
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impr...
Rails 4 LIKE query - ActiveRecord adds quotes
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When using '?' in this way in rails it is converted to a parameterized query. The data within the parameter isn't sanitized (the %) but it is impossible to change context out of the query and turn it into processed SQL statements.
– David Hoelz...
Comparing two strings, ignoring case in C# [duplicate]
...e property treats the characters in the strings to compare as if they were converted to uppercase using the conventions of the invariant culture, and then performs a simple byte comparison that is independent of language." (see msdn.microsoft.com/en-us/library/…). If you can store the result of th...
Find number of months between two Dates in Ruby on Rails
... get from your calculation is way off. All we are doing is taking days and converting them to months, it is not super accurate because it assumes 30.4167 days per month, but it very close and then it rounds anyways.
– Andreykul
Aug 2 '18 at 13:21
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Git, fatal: The remote end hung up unexpectedly
...D changes into a state where merging them became obnoxious (everything was converted to an ADD). I wish I had researched this one more before running it.
– MatrixManAtYrService
Jul 1 '16 at 3:40
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Output first 100 characters in a string
...reat way to handle this. Here are some examples.
The formatting code '%s' converts '12345' to a string, but it's already a string.
>>> '%s' % '12345'
'12345'
'%.3s' specifies to use only the first three characters.
>>> '%.3s' % '12345'
'123'
'%.7s' says to use the first se...
Can't access RabbitMQ web management interface after fresh install
...ced that I had created the setup script in Windows (CR+LF line ending) and converted the file to Linux (LF only), then reran the setup script on my Linux server.
... and was still not able to log in, because it took another 15 minutes until I realized that calling add_user over and over again would...
What are the differences between JSON and JavaScript object? [duplicate]
...erialize/deserialize .NET objects.
So it's just a format allowing you to convert from objects to string and back which is convenient if you want to transfer them over the wire.
It is very close to javascript object representation and if you simply eval() a JSON string you will get the correspondi...