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MySQL select where column is not empty
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Compare value of phone2 with empty string:
select phone, phone2
from jewishyellow.users
where phone like '813%' and phone2<>''
Note that NULL value is interpreted as false.
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How can I catch a 404?
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can I get the NUMBER out somehow from the objects without making my own lookup list? I would like to have something like: int httpresponsecode = HttpStatusCode.ToInt() or similar so I get 404
– BerggreenDK
Apr 12 '11 at 14:42
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How do I test a camera in the iPhone simulator?
Is there any way to test the iPhone camera in the simulator without having to deploy on a device? This seems awfully tedious.
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Simple way to encode a string according to a password?
...e third party libraries. I'd recommend something like the Vigenere cipher. It is one of the strongest of the simple ancient ciphers.
Vigenère cipher
It's quick and easy to implement. Something like:
import base64
def encode(key, string):
encoded_chars = []
for i in xrange(len(string)):
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Find and replace strings in vim on multiple lines
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The :&& command repeats the last substitution with the same flags. You can supply the additional range(s) to it (and concatenate as many as you like):
:6,10s/<search_string>/<replace_string>/g | 14,18&&
If you have many ranges though, I'd r...
Fastest way to convert Image to Byte array
...haring application in which I capture an image of the Desktop and Compress it and Send it to the receiver. To compress the image I need to convert it to a byte[].
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Delete/Reset all entries in Core Data?
... stored in Core Data? My schema should stay the same; I just want to reset it to blank.
33 Answers
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Comparing numbers in Bash
I'm starting to learn about writing scripts for the bash terminal, but I can't work out how to get the comparisons to work properly. The script I'm using is:
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How to embed a SWF file in an HTML page?
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The best approach to embed a SWF into an HTML page is to use SWFObject.
It is a simple open-source JavaScript library that is easy-to-use and standards-friendly method to embed Flash content.
It also offers Flash player version detection. If the user does not have the version of Flash required o...
How can I run a program from a batch file without leaving the console open after the program starts?
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You can use the exit keyword. Here is an example from one of my batch files:
start myProgram.exe param1
exit
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