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Code for a simple JavaScript countdown timer?
...s = seconds / 60;
var hours = minutes / 60;
var days = hours / 24;
ID = window.setTimeout("update();", 1000);
function update() {
now = new Date();
seconds = (theevent - now) / 1000;
seconds = Math.round(seconds);
minutes = seconds / 60;
minutes = Math.round(minutes);
hours =...
Can I have multiple Xcode versions installed?
...ild tool from the Old app. I had to manually select it in Xcode preference window.
Where to set Command Line Tool in Xcode Preference Window?
Select the Locations tab and there, you can select all the installed versions of Command Line Tools (which is xcodebuild).
How to figure out which version o...
Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...teUsableHeight() {
Rect r = new Rect();
mChildOfContent.getWindowVisibleDisplayFrame(r);
return (r.bottom - r.top);
}
}
Hope this helps someone.
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Convert a list of data frames into one data frame
....3.0 (2016-05-03)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1
> packageVersion("plyr")
[1] ‘1.8.4’
> packageVersion("dplyr")
[1] ‘0.5.0’
> packageVersion("data.table")
[1] ‘1.9.6’
UPDATE:
Rerun 31-Jan-2018. Ran on the ...
Make a div fill up the remaining width
...com on the following web browsers:
IE7 to IE11
Ff 20, Ff 28
Safari 4.0 (windows XP), Safari 5.1 (windows XP)
Chrome 20, Chrome 25, Chrome 30, Chrome 33,
Opera 20
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
...ns where this doesn't quite work. If the computer is restarted and "Reopen windows when logging back in" is selected, the reopened windows may not see the variables (Perhaps they are opened before the agent is run). Also, if you log in via ssh, the variables will not be set (so you'll need to set th...
Reserved keywords in JavaScript
...pen, outerHeight, outerWidth, parent, screen, screenX, screenY, statusbar, window.
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Find a file in python
...ou are working with Python 2 you have a problem with infinite recursion on windows caused by self-referring symlinks.
This script will avoid following those. Note that this is windows-specific!
import os
from scandir import scandir
import ctypes
def is_sym_link(path):
# http://stackoverflow.c...
Elegant way to check for missing packages and install them?
...t needs to read several files per installed package, which will be slow on Windows and on some network-mounted file systems.
So, a better approach is to attempt to load the package using require and and install if loading fails (require will return FALSE if it isn't found). I prefer this implemen...
Inline SVG in CSS
...ingle and double quotes and url escaping
If you are using JS, you can use window.btoa() to produce your base64 svg; and if it doesn't work (it might complain about invalid characters in the string), you can simply use https://www.base64encode.org/.
Example to set a div background:
var mySVG =...