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How to create a multiline UITextfield?
...tiline text.
In Interface Builder, add a UITextView where you want it and select the "editable" box. It will be multiline by default.
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What does T&& (double ampersand) mean in C++11?
...ed for temporaries and for non-const lvalue references that are explicitly converted to rvalue references using the std::move function (it just performs the conversion). The following code both invoke the move constructor for f1 and f2:
foo f1((foo())); // Move a temporary into f1; temporary becom...
Sort hash by key, return hash in Ruby
... to accomplish this you can run the #to_h method on the array of tuples to convert them to a k=>v structure (hash).
hsh ={"a" => 1000, "b" => 10, "c" => 200000}
Hash[hsh.sort_by{|k,v| v}] #or hsh.sort_by{|k,v| v}.to_h
There is a similar question in "How to sort a Ruby Hash by number v...
“unmappable character for encoding” warning in Java
... as EUC-JP and UTF-8.. If -encoding is not specified, the platform default converter is used. (DOC)
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How to get the changes on a branch in Git
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'git cherry' outputs a list of commit IDs. Can I convert these into a single diff combining all the changes in every commit?
– Jonathan Hartley
Jul 20 '11 at 15:44
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How to delete files older than X hours
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For SunOS 5.10
Example 6 Selecting a File Using 24-hour Mode
The descriptions of -atime, -ctime, and -mtime use the ter-
minology n ``24-hour periods''. For example, a file accessed
at 23:59 is selected by:
example% find . -atime -1 -print...
How to compute the sum and average of elements in an array?
... iterate through the array, since your values are strings, they have to be converted to an integer first. And average is just the sum of values divided by the number of values.
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Difference between partition key, composite key and clustering key in Cassandra?
...KEY:
insert into stackoverflow_simple (key, data) VALUES ('han', 'solo');
select * from stackoverflow_simple where key='han';
table content
key | data
----+------
han | solo
COMPOSITE/COMPOUND KEY can retrieve "wide rows" (i.e. you can query by just the partition key, even if you have clusteri...
missing private key in the distribution certificate on keychain
...ain Access application to export both the certificate and the private key. Select both using shift or command and right click to export to a .p12 file.
Attached a screenshot to make it very clear.
On your mac, import that .p12 file and you are good to go (just make sure you have a valid provisioni...
Getting “CHECKOUT can only be performed on a version resource” when trying to commit using Eclipse s
...om my project (by right clicking on the project from the package explorer, selecting "Team" -> "Commit"), I get the error:
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