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How do you implement a class in C? [closed]
Assuming I have to use C (no C++ or object oriented compilers) and I don't have dynamic memory allocation, what are some techniques I can use to implement a class, or a good approximation of a class? Is it always a good idea to isolate the "class" to a separate file? Assume that we can preallocate t...
How to remove trailing whitespaces with sed?
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You can use the in place option -i of sed for Linux and Unix:
sed -i 's/[ \t]*$//' "$1"
Be aware the expression will delete trailing t's on OSX (you can use gsed to avoid this problem). It may delete them on BSD too.
If you don't have gsed, here is the correct (but hard-to...
What in the world are Spring beans?
I am yet to find a high-level definition of Spring beans that I can understand. I see them referenced often in Grails documentation and books, but I think that understanding what they are would be beneficial. So what are Spring beans? How can they be used? Do they have something to do with Dependenc...
Setting background colour of Android layout element
...ying to, somewhat clone the design of an activity from a set of slides on Android UI design . However I am having a problem with a very simple task.
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Only variables should be passed by reference
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Assign the result of explode to a variable and pass that variable to end:
$tmp = explode('.', $file_name);
$file_extension = end($tmp);
The problem is, that end requires a reference, because it modifies the internal representation of the array (i.e. it makes the cu...
Turn off CSRF token in rails 3
...orrect answer for apps that have a mix of regular browser-accessible forms and API endpoints. The answer from Markus Proske would be correct if you were absolutely sure you were not going to have any browser-accessible forms in your app.
– Asfand Qazi
Jul 9 '1...
How to remove text from a string?
...123".replace(/data-/g,'');
PS: The replace function returns a new string and leaves the original string unchanged, so use the function return value after the replace() call.
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Remove json element
...ur OBJECT (JSON is a string notation)
UPDATE: you need to use array.splice and not delete if you want to remove items from the array in the object
var data = {
"result": [{
"FirstName": "Test1",
"LastName": "User"
}, {
"FirstName": "user",
"LastName": "user"
}]
}
console.lo...
How to rebase local branch with remote master
... master branch from remote repository remote_repo . I create a new branch and I commit to that branch. Other programmers pushed to remote_repo to the master branch.
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How can I add the sqlite3 module to Python?
... module alongside the most recent version of Python?
I am using a Macbook, and on the command line, I tried:
4 Answers
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