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How to concatenate two IEnumerable into a new IEnumerable?
...coalescing operator like so:
var together = (first ?? Enumerable.Empty<string>()).Concat(second ?? Enumerable.Empty<string>()); //amending `<string>` to the appropriate type
share
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...
How do I add a ToolTip to a control?
...t sender, EventArgs e)
{
Control senderObject = sender as Control;
string hoveredControl = senderObject.Tag.ToString();
// only instantiate a tooltip if the control's tag contains data
if (hoveredControl != "")
{
ToolTip info = new ToolTip
{
Automatic...
How to add a browser tab icon (favicon) for a website?
...e-320x460.png
Total Overhead
If you take out the comments that's 3KB of extra HTML, if you don't support splash screens that's 1.5KB. If you are using GZIP compression on your HTML content, which everyone should be doing these days, that leaves you with about 634 Bytes of overhead per request to ...
Search for selection in vim
...sual studio when writing C++. Often, I find myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() .
...
How to parse an RSS feed using JavaScript?
...or example, if I was dealing with multiple images, I could concatenate the string and value: document.getElementById('image').style.backgroundImage = "url('" + src + "')";
– noobninja
May 13 '16 at 20:24
...
What does send() do in Ruby?
...eed to read attributes on an object.
For example, if you have an array of strings, if you try to iterate through them and call them on your object, it won't work.
atts = ['name', 'description']
@project = Project.first
atts.each do |a|
puts @project.a
end
# => NoMethodError: undefined method ...
Stopping an Android app from console
...it.
public class TestActivity extends Activity {
private static final String STOP_COMMAND = "com.example.TestActivity.STOP";
private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
...
Getting All Variables In Scope
... var x = 0;
console.log(x);
};
You can convert your function to a string:
var s = f + '';
You will get source of function as a string
'function () {\nvar x = 0;\nconsole.log(x);\n}'
Now you can use a parser like esprima to parse function code and find local variable declarations.
var...
How can I respond to the width of an auto-sized DOM element in React?
...component: ReactClass<any>,
};
type Props = {
domProps?: Array<string>,
computedStyleProps?: Array<string>,
children: (state: State) => ?React.Element<any>,
component: ReactClass<any>,
};
type State = {
remeasure: () => void,
computedStyle?: Object,
...
Kill process by name?
...t, err = p.communicate()
gives you ps -A's output in the out variable (a string). You can break it down into lines and loop on them...:
>>> for line in out.splitlines():
... if 'iChat' in line:
... pid = int(line.split(None, 1)[0])
... os.kill(pid, signal.SIGKILL)
...
(you ...