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How do I save a UIImage to a file?
If I have a UIImage from an imagePicker, how can I save it to a subfolder in the documents directory?
9 Answers
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
... understand the basics of how ports work. However, what I don't get is how multiple clients can simultaneously connect to say port 80. I know each client has a unique (for their machine) port. Does the server reply back from an available port to the client, and simply state the reply came from 80? H...
Checking for an empty field with MySQL
... a query to check for users with certain criteria, one being they have an email address.
7 Answers
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Prevent linebreak after
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display:inline;
OR
float:left;
OR
display:inline-block; -- Might not work on all browsers.
What is the purpose of using a div here? I'd suggest a span, as it is an inline-level element, whereas a div is a block-level element.
Do note that each option above will work differently.
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How to read last commit comment?
Often during a commit ( $ git -commit -m "" ), I wish to read my last comment to remember what progress I have made. Is there an easy way to directly access the last commit message through command-line? (I'm using Windows.)
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How to try convert a string to a Guid [duplicate]
I did not find the TryParse method for the Guid. I’m wondering how others handle converting a guid in string format into a guid type.
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HTTP POST and GET using cURL in Linux [duplicate]
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*nix provides a nice little command which makes our lives a lot easier.
GET:
with JSON:
curl -i -H "Accept: application/json" -H "Content-Type: application/json" -X GET http://hostname/resource
with XML:
curl -H "Accept: application/xml" -H "Content...
The way to check a HDFS directory's size?
I know du -sh in common Linux filesystems. But how to do that with HDFS?
10 Answers
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How to center buttons in Twitter Bootstrap 3?
I am building a form in Twitter Bootstrap but I'm having issues with centering the button below the input in the form. I have already tried applying the center-block class to the button but that didn't work. How should I fix this?
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jQuery to retrieve and set selected option value of html select element
I am attempting to retrieve and set the selected value of a select element (drop down list) with jQuery.
9 Answers
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