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Position Relative vs Absolute?
...osition: absolute;
Absolute positioning is the easiest to understand. You start with the CSS position property:
position: absolute;
This tells the browser that whatever is going to be positioned should be removed from the normal flow of the document and will be placed in an exact location on the...
How to make Java honor the DNS Caching Timeout?
...ble the desired effect.
But be aware: if you don't use the -D flag when starting the JVM process and elect to call this from code instead:
java.security.Security.setProperty("networkaddress.cache.ttl" , "0")
This code must execute before any other code in the JVM attempts to perform networking...
Elegant way to search for UTF-8 files with BOM?
...ing purposes, I need to recursively search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script:
...
Finding the number of days between two dates
...er answer: $NumberDays = gregoriantojd($EndM,$EndD,$EndY) - gregoriantojd($StartM,$StartD,$StartY); (for an inclusive range). Unlike the Datetime Class, Gregorian to Julian is available in v4 up. Valid range is 4714 B.C. to 9999 A.D. Beware of the funky parameter order (like you need that warning...
Django DB Settings 'Improperly Configured' Error
...s, i.e. those that manage.py shell runs initially. One can add them to the start of the testing script or just run the tests using manage.py test.
Versions:
Python 3.5 (in virtualenv)
PyCharm 2016.3.2 Professional
Django 1.10
...
What is (functional) reactive programming?
...
If you want to get a feel for FRP, you could start with the old Fran tutorial from 1998, which has animated illustrations. For papers, start with Functional Reactive Animation and then follow up on links on the publications link on my home page and the FRP link on the ...
How to use a servlet filter in Java to change an incoming servlet request url?
...ased in the steps of BalusC's answer. The filter forwards all the requests starting with the /ui path (supposing you've got all your xhtml files stored there) to the same path, but adding the xhtml suffix.
public class UrlPrettyfierFilter implements Filter {
private static final String JSF_VIE...
How can I list the contents of a directory in Python?
...
os.walk can be used if you need recursion:
import os
start_path = '.' # current directory
for path,dirs,files in os.walk(start_path):
for filename in files:
print os.path.join(path,filename)
...
Could not launch process launch failed: timed out waiting for app to launch
...
Just updated to Xcode 6.1 and started getting this... Neither this solution, along with the two hints above won't solve this. Tried one iPhone 5 with latest iOS 7, and one iPad with iOS 8.1. Any clues?
– helmesjo
O...
How to show the loading indicator in the top status bar
...
It's in UIApplication:
For Objective C:
Start:
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
End:
[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
For swift :
Start
UIApplication.shared.isNetworkActivityIndi...