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How can I run a function from a script in command line?
...ontext of the current shell using the source or . command and then simply call the function. See help source for more information.
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How do I commit only some files?
...available on both branches you do
git stash # remove all changes from HEAD and save them somewhere else
git checkout <other-project> # change branches
git cherry-pick <commit-id> # pick a commit from ANY branch and apply it to the current
git checkout <first-p...
How to escape @ characters in Subversion managed file names?
... operations, appending the '@' symbol to the end of a file or URL argument allows you to target a specific revision of that file. For example, "svn info test.txt@1234" will give information about test.txt as it existed in revision 1234.
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Why use symbols as hash keys in Ruby?
...saves memory, because they are only stored once.
Symbols in Ruby are basically "immutable strings" .. that means that they can not be changed, and it implies that the same symbol when referenced many times throughout your source code, is always stored as the same entity, e.g. has the same object id...
Best Practice to Organize Javascript Library & CSS Folder Structure [closed]
...dex file or main entry point. appcropolis-project my-index.html Generally, your application will be comprised of HTML, CSS, Images, and Javascript files. Some of those files will be specific to your application and some others can be used across multiple applications. This is a very important ...
REST Complex/Composite/Nested Resources [closed]
...our specific case of the covers is slightly more complex in that a cover really does require a comic book, and visa versa.
However, if you consider an email message as a resource, and the from address as a child resource, you can obviously still reference the from address separately. For example, g...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...d procedures are always faster. So, since they're always faster, use them ALL THE TIME .
20 Answers
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I need to store postal codes in a database. How big should the column be?
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Good link. Even allowing for the punctuation in US ZIP+4, 10 characters would be enough for any country as far as I could tell.
– Jonathan Leffler
Nov 28 '08 at 5:36
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Is it possible to disable floating headers in UITableView with UITableViewStylePlain?
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Objective-C:
CGFloat dummyViewHeight = 40;
UIView *dummyView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.tableView.bounds.size.width, dummyViewHeight)];
self.tableView.tableHeaderView = dummyView;
self.tableView.contentInset = UIEdgeInsetsMake(-dummyViewHeight, 0, 0, 0);
Swift:
let d...
Count number of objects in list [closed]
...'s put some stuff in it - 3 components/indexes/tags (whatever you want to call it) each with differing amounts of elements:
> mylist <- list(record1=c(1:10),record2=c(1:5),record3=c(1:2))
If you are interested in just the number of components in a list use:
> length(mylist)
[1] 3
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