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How do I check if a string contains another string in Objective-C?
...");
}
The key is noticing that rangeOfString: returns an NSRange struct, and the documentation says that it returns the struct {NSNotFound, 0} if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code ...
windows service vs scheduled task
...recommend you separate out your processing code into a different component from the console app or Windows Service. Then you have the choice, either to call the worker process from a console application and hook it into Windows Scheduler, or use a Windows Service.
You'll find that scheduling a Wind...
generate days from date range
...000 days, and could be extended to go as far back or forward as you wish.
select a.Date
from (
select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d.a) ) DAY as Date
from (select 0 as a union all select 1 union all select 2 union all select 3 union all select 4 union all ...
Can local storage ever be considered secure? [closed]
...Library. There are inherent weaknesses, though (as referred to in the link from @ircmaxell's answer):
Lack of entropy / random number generation;
Lack of a secure keystore i.e. the private key must be password-protected if stored locally, or stored on the server (which bars offline access);
Lack o...
In Python, how do I create a string of n characters in one line of code?
...nly one line of code (not counting the import statements and defining n):
from random import choice
from string import ascii_lowercase
n = 10
string_val = "".join(choice(ascii_lowercase) for i in range(n))
share
...
Detect 7 inch and 10 inch tablet programmatically
...ayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
From this, we can get the information required to size the display:
int widthPixels = metrics.widthPixels;
int heightPixels = metrics.heightPixels;
This will return the absolute value of the width and the height in pixels,...
Efficiently convert rows to columns in sql server
...ou can use the PIVOT function to transform the data from rows to columns:
select Firstname, Amount, PostalCode, LastName, AccountNumber
from
(
select value, columnname
from yourtable
) d
pivot
(
max(value)
for columnname in (Firstname, Amount, PostalCode, LastName, AccountNumber)
) piv;
S...
Fragment or Support Fragment?
I am developing an app that supports Android >= 4.0. It uses fragments from the android.app package. As I am facing problems with the older fragment implementation in 4.0, like this one , that are already fixed in the support library, I am considering switching back to the fragment implementation...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...of the bytes you have. If you know the encoding of the bytes you received from the subprocess, you can use decode() to convert them into a printable str:
>>> print(b'hi\n'.decode('ascii'))
hi
Of course, this specific example only works if you actually are receiving ASCII from the subpro...
How do I create a Bash alias?
I'm on OSX and I need to put something like this, alias blah="/usr/bin/blah" in a config file but I don't know where the config file is.
...