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Best practices for Storyboard login screen, handling clearing of data upon logout
...self.window.rootViewController = navigation;
}
In SignUpViewController.m file
- (IBAction)actionSignup:(id)sender
{
AppDelegate *appDelegateTemp = [[UIApplication sharedApplication]delegate];
appDelegateTemp.window.rootViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:[NS...
Difference between del, remove and pop on lists
... = [4, 5, 6]
>>> a.remove(7)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: list.remove(x): x not in list
>>> del a[7]
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
IndexError: list assignment ...
General suggestions for debugging in R
...pt line by line.
The best new trick in R 2.10 (when working with script files) is to use the findLineNum() and setBreakpoint() functions.
As a final comment: depending upon the error, it is also very helpful to set try() or tryCatch() statements around external function calls (especially when ...
Is there a Unix utility to prepend timestamps to stdin?
... On my system 'awk' itself was buffering. (This can be problematic for log files). I fixed this by using: awk '{ print strftime("%Y-%m-%dT%H:%M:%S"), $0; fflush(); }'
– user47741
Mar 11 '10 at 13:28
...
How to use icons and symbols from “Font Awesome” on Native Android Application
...ou picked the play icon, assigned the letter 'P' to it, and downloaded the file icomoon.ttf to your asset folder. This is how you show the icon:
xml:
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="48sp"
android:text="P" />
java:...
Sort ArrayList of custom Objects by property
...Do I need to create a new public ChairWeightComparator class in a separate file? - am I really the first one to try this after 3 years or did I miss sth?
– user387184
Mar 23 '14 at 9:01
...
How do I set the time zone of MySQL?
...
There are three places where the timezone might be set in MySQL:
In the file "my.cnf" in the [mysqld] section
default-time-zone='+00:00'
@@global.time_zone variable
To see what value they are set to:
SELECT @@global.time_zone;
To set a value for it use either one:
SET GLOBAL time_zone = '...
Use underscore inside Angular controllers
...
its necessary when you add 'use strict' to your file. Since underscore/lodash isn't defined it will throw ReferenceError: _ is not defined... you have to inject it, or use window._
– Shanimal
Jun 6 '13 at 19:37
...
Pretty-Printing JSON with PHP
...
And anyone tailing/reviewing a log/file in the unix/linux shell, this is the solution here! Good looking out, @Mike, makes it easy to read!.
– fusion27
Aug 18 '17 at 13:21
...
How to call shell commands from Ruby
... = %x[find . -name '*test.rb' | sort]
Which, in this case, will populate file list with all test files under the current directory, which you can process as expected:
directorylist.each do |filename|
filename.chomp!
# work with file
end
...