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Hide the cursor of an UITextField
...irst, store the text field's selected text range to an instance variable.
_textFieldSelectedTextRange = textField.selectedTextRange;
textField.selectedTextRange = nil; // hides caret
Then, when you want to unhide the caret, simply set the text field's selected text range back to what it was origi...
Example for boost shared_mutex (multiple reads/one write)?
...
It looks like you would do something like this:
boost::shared_mutex _access;
void reader()
{
// get shared access
boost::shared_lock<boost::shared_mutex> lock(_access);
// now we have shared access
}
void writer()
{
// get upgradable access
boost::upgrade_lock<boos...
Backbone.js get and set nested object attribute
...del({
a: {b: 1, c: 2}
});
You can set the attribute "a.b" with:
var _a = _.omit(nestedAttrModel.get('a')); // from underscore.js
_a.b = 3;
nestedAttrModel.set('a', _a);
Now your model will have attributes like:
{a: {b: 3, c: 2}}
with the "change" event fired.
...
Specify sudo password for Ansible
...mmand line via --extra-vars "name=value". Sudo password variable is ansible_sudo_pass. So your command would look like:
ansible-playbook playbook.yml -i inventory.ini --user=username \
--extra-vars "ansible_sudo_pass=yourPassword"
Update 2017: Ansible 2.2.1.0 now use...
jekyll markdown internal links
...ou can now post internal links by using the following:
[Some Link]({% post_url 2010-07-21-name-of-post %})
This is also referenced in the Jekyll Documentation.
https://github.com/mojombo/jekyll/pull/369
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How to remove non-alphanumeric characters?
...w what you wanted to do already, you basically defined it as a regex.
preg_replace("/[^A-Za-z0-9 ]/", '', $string);
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Generic type conversion FROM string
... type in the conversion.
Seems to work for me:
public object Get( string _toparse, Type _t )
{
// Test for Nullable<T> and return the base type instead:
Type undertype = Nullable.GetUnderlyingType(_t);
Type basetype = undertype == null ? _t : undertype;
return Convert.ChangeT...
How to read/process command line arguments?
...
from argparse import ArgumentParser
parser = ArgumentParser()
parser.add_argument("-f", "--file", dest="filename",
help="write report to FILE", metavar="FILE")
parser.add_argument("-q", "--quiet",
action="store_false", dest="verbose", default=True,
...
How do I view the SQL generated by the Entity Framework?
... ToString() will give you the query with variables in it, like p__linq__0, instead of the final values (eg: 34563 instead of p__linq__0)
– sports
Feb 14 '15 at 22:15
...
Loading basic HTML in Node.js
...ttp');
var fs = require('fs');
var path = require('path');
var ext = /[\w\d_-]+\.[\w\d]+$/;
http.createServer(function(req, res){
if (req.url === '/') {
res.writeHead(200, {'Content-Type': 'text/html'});
fs.createReadStream('index.html').pipe(res);
} else if (ext.test(req.ur...