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Replace words in a string - Ruby
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sentence.sub! 'Robert', 'Joe'
Won't cause an exception if the replaced word isn't in the sentence (the []= variant will).
How to replace all instances?
The above replaces only the first instance of "Robert".
To replace all instances use gsub/gsub! (ie. "global substitution"):
sentence.gsub! ...
Java Interfaces/Implementation naming convention [duplicate]
... classes / interfaces you create?
Sometimes I don't have implementation information to add to the implementation name - like interface FileHandler and class SqlFileHandler .
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Is it possible to include a file in your .gitconfig
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Git (1.7.10+) now supports this syntax in .gitconfig:
[include]
path = /path/to/file
See here for a detailed description of the git change and its edge cases.
By the way, a couple of subtleties worth pointing out:
Environment-variable ex...
Default function arguments in Rust
...it likely that it will eventually be implemented, but there’s no active work in this space at present.
The typical technique employed here is to use functions or methods with different names and signatures.
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How to round a number to n decimal places in Java
...de explicitly to handle your issue with the half-even round, then use the format pattern for your required output.
Example:
DecimalFormat df = new DecimalFormat("#.####");
df.setRoundingMode(RoundingMode.CEILING);
for (Number n : Arrays.asList(12, 123.12345, 0.23, 0.1, 2341234.212431324)) {
Do...
Copy array items into another array
...rrayA and arrayB remain unchanged; concat creates and returns a new array for the result).
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jQuery checkbox checked state changed event
...t instead of click. However, you will probably still need to check whether or not the checkbox is checked:
$(".checkbox").change(function() {
if(this.checked) {
//Do stuff
}
});
The main benefit of binding to the change event over the click event is that not all clicks on a checkb...
what is the difference between const_iterator and iterator? [duplicate]
... regarding implementation inside STL.
what is the difference regarding performance?
I guess when we are traversing the vector in "read only wise", we prefer const_iterator , right?
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How do I send a JSON string in a POST request in Go
I tried working with Apiary and made a universal template to send JSON to mock server and have this code:
4 Answers
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Properties order in Margin
...p AND bottom
Finally you can specify a single size:
Margin="1"
used for all sides
The order is the same as in WinForms.
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