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How big should a UIBarButtonItem image be?
I'm looking to create my own custom Sort By Date and Sort By Number buttons that I plan on placing in the navigation bar as the right button.
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How do you performance test JavaScript code?
...rendered all at once, so it felt slow to the user.
We 'fixed' this, not by switching to a faster component, or optimizing some method, but by rendering the data first, then rendering the grids with a setTimeout. So, the information appeared first, then the grids would pop into place a second late...
Best timestamp format for CSV/Excel?
...ps in a CSV file such that they can be parsed accurately and unambiguously by Excel with minimal user intervention?
11 Answ...
Rotating and spacing axis labels in ggplot2
...
q + theme(axis.text.x = element_text(angle = 90, vjust = 0.5, hjust=1))
By default, the axes are aligned at the center of the text, even when rotated. When you rotate +/- 90 degrees, you usually want it to be aligned at the edge instead:
The image above is from this blog post.
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How to restart Jenkins manually?
...To restart Jenkins manually, you can use either of the following commands (by entering their URL in a browser):
(jenkins_url)/safeRestart - Allows all running jobs to complete. New jobs will remain in the queue to run after the restart is complete.
(jenkins_url)/restart - Forces a restart without...
What's the best way to do “application settings” in Android? [closed]
...c to an activity.
Shared Preferences: The shared preferences can be used by all the components (activities, services etc) off the applications.
Activity handled preferences: These preferences can only be used with in the activity and can not be used by other components of the application.
Shared...
What does java:comp/env/ do?
...e
policies might allow you to name users
and organizations/departments by using
names such as "java:user/alice" and
"java:org/engineering".
In the "comp" context, there are two
bindings: "env" and "UserTransaction".
The name "env" is bound to a subtree
that is reserved for the com...
Set 4 Space Indent in Emacs in Text Mode
...in .emacs file:
(custom-set-variables
;; custom-set-variables was added by Custom.
;; If you edit it by hand, you could mess it up, so be careful.
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
'(tab-stop-list (quote (4 8 12 16...
Send and receive messages through NSNotificationCenter in Objective-C?
...ication"
// notifications using the receiveTestNotification: selector. By
// specifying object:nil, we tell the notification center that we are not
// interested in who posted the notification. If you provided an actual
// object rather than nil, the notification center will only not...
Use of def, val, and var in scala
...ngs, the internal state of a val can be changed but the object referred to by a val cannot. A val is not a constant.
– pferrel
Apr 24 '14 at 21:20
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