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How can I detect when the mouse leaves the window?
...e. The solution below was tested on IE 8.0.6, FireFox 3.6.6, Opera 10.53, and Safari 4 on an MS Windows XP machine.
First a little function from Peter-Paul Koch; cross browser event handler:
function addEvent(obj, evt, fn) {
if (obj.addEventListener) {
obj.addEventListener(evt, fn, fals...
What are the lesser known but useful data structures?
...nown. A very cool use of tries is described in "TRASH - A dynamic LC-trie and hash data structure", which combines a trie with a hash function.
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edited Oct 5 '10 at 15:3...
Reload Flask app when template file changes
...tion using the built-in server ( Flask.run ), it monitors its Python files and automatically reloads the app if its code changes:
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How to set size for local image using knitr for markdown?
...ge that I would like to include in an .Rmd file which I will then knit and convert to HTML slides with Pandoc . Per this post , this will insert the local image :
...
Execute combine multiple Linux commands in one line
I am trying to merge multiple linux commands in one line to perform deployment operation.
For example
9 Answers
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In Django, how do I check if a user is in a certain group?
...
then user.groups.all() returns [<Group: Editor>].
Alternatively, and more directly, you can check if a a user is in a group by:
if django_user.groups.filter(name = groupname).exists():
...
Note that groupname can also be the actual Django Group object.
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How to select all instances of a variable and edit variable name in Sublime
...dn't work? Try again, making sure to start with nothing selected.
More commands:
Find All: Ctrl⌘G selects all occurences at once. Not on a Mac? AltF3
Undo Selection: ⌘U steps backwards. Not on a Mac? CtrlU
Quick Skip Next: ⌘K⌘D skips the next occurence. Not on a Mac? CtrlKCtrlD
Sublime Docs...
Vertical line using XML drawable
...
Instead of a shape, you could try a View:
<View
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#FF0000FF" />
I have only used this for horizontal lines, but I would think it would work for vertical lines as well.
Use:
<Vi...
How can I get the iOS 7 default blue color programmatically?
I'm creating custom elements in my app and want to match the look and feel of the new iOS. iOS 7 introduced to us a very common lighter blue color, the default color or tint for several elements, including the system button, segmented control, etc. They've made it easy to select the color using IB, ...
Access multiple elements of list knowing their index
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I have benchmarked the non numpy options and itemgetter appears to be the fastest, even slightly faster than simply typing out the desired indexes inside parentheses, using Python 3.44
– ragardner
Oct 16 '17 at 9:42
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