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How to replace all occurrences of a character in string?
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std::string doesn't contain such function but you could use stand-alone replace function from algorithm header.
#include <algorithm>
#include <string>
void some_func() {
std::string s = "example string";
std::replace( s.begin(), s.end(), 'x', 'y'); // replace all 'x' to 'y'
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What makes Scala's operator overloading “good”, but C++'s “bad”?
...m), and a mistake not to be repeated in newer languages. Certainly, it was one feature specifically dropped when designing Java.
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How to automatically add user account AND password with a Bash script?
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I'm surprised no-one has mentioned the reason passwd doesn't make this easy: this approach will put the new password straight into the shell history, unless steps are taken to prevent this. Anyone committed to going this route, should keep th...
Surrogate vs. natural/business keys [closed]
...ing more than a NOT NULL UNIQUE constraint, and a table can have more than one.
If you use a surrogate key, you still want a business key to ensure uniqueness according to the business rules.
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How to version REST URIs
...o your media-types that will break your existing clients then create a new one and leave your urls alone!
And for those readers currently saying that this makes no sense if I am using application/xml and application/json as media-types. How are we supposed to version those? You're not. Those medi...
Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
...rrors are related to not being able to find an SSL library and the OP mentioned that they had recently upgraded their installed version of openssl. I had the same issue with the same upgrade scenario; I suspect the reinstall fixes things by causing Ruby to be built against the upgraded libraries (th...
Is the ternary operator faster than an “if” condition in Java [duplicate]
I am prone to " if-conditional syndrome " which means I tend to use if conditions all the time. I rarely ever use the ternary operator. For instance:
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Safe characters for friendly url [closed]
...("|")
backslash ("\")
caret ("^")
percent ("%")
I may have forgotten one or more, which leads to me echoing Carl V's answer. In the long run you are probably better off using a "white list" of allowed characters and then encoding the string rather than trying to stay abreast of characters tha...
get name of a variable or parameter [duplicate]
...tring().TrimStart('{').TrimEnd('}').Split('=')[0].Trim();
}
2) The below one can be faster though (from my tests)
GETNAME(new { variable });
public static string GETNAME<T>(T myInput) where T : class
{
if (myInput == null)
return string.Empty;
return typeof(T).GetProperties...
In-App Billing test: android.test.purchased already owned
... idea, you lost in-app purchase of your other product and other apps, good one is you have to consume product if you want test your in app purchase, scenario is just create two things one for purchase and another for consume purchased item.
– Rahul Mandaliya
Fe...