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How to use NSURLConnection to connect with SSL for an untrusted cert?

...*)protectionSpace { return [protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]; } - (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge { if ([challenge.protectionSpace.authenticationM...
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Running a cron every 30 seconds

...go down to sub-minute resolutions, you will need to find another way. One possibility, though it's a bit of a kludge(a), is to have two jobs, one offset by 30 seconds: # Need these to run on 30-sec boundaries, keep commands in sync. * * * * * /path/to/executable param1 param2 * * * * * ...
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Why is volatile needed in C?

... volatile in C actually came into existence for the purpose of not caching the values of the variable automatically. It will tell the compiler not to cache the value of this variable. So it will generate code to take the value of the given volatile variable from the main memory ev...
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Importing from builtin library when module with same name exists

...ython >= 3.5: import importlib.util import sys # For illustrative purposes. import tokenize file_path = tokenize.__file__ # returns "/path/to/tokenize.py" module_name = tokenize.__name__ # returns "tokenize" spec = importlib.util.spec_from_file_location(module_name, file_path) module = impor...
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Delete/Reset all entries in Core Data?

...d safe, and can certainly be done programatically at runtime. Update for iOS5+ With the introduction of external binary storage (allowsExternalBinaryDataStorage or Store in External Record File) in iOS 5 and OS X 10.7, simply deleting files pointed by storeURLs is not enough. You'll leave the exte...
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How do I prompt for Yes/No/Cancel input in a Linux shell script?

... The simplest and most widely available method to get user input at a shell prompt is the read command. The best way to illustrate its use is a simple demonstration: while true; do read -p "Do you wish to install this program?" yn case...
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How do I verify/check/test/validate my SSH passphrase?

...21GUS/Vcm/SuMwaFid9bM2Ap4wZIahx2fxyJhmHugGUFF9qYI4yRJchaVj7TxEmquCXgVf4RVWnOSs9/MTH8YvH+wHP4WmUzsDI+uaF1SpCyQ1DpazzPWAQPgZv9R8ihOrItLXC1W6TPJkt1CLr/YFpz6vapdola8cRw6g/jTYms00Yxf2hn0/o8ORpQ9qBpcAjJN $ echo $? 0 Attempt to access the key pair by inputting an incorrect passphrase. Note that the "load...
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Controlling the screenshot in the iOS 7 multitasking switcher

...rying to find some information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation. ...
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Single script to run in both Windows batch and Linux Bash?

Is it possible to write a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)? 11 Answ...
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How do I create my own URL protocol? (e.g. so://…) [closed]

...a.org/assignments/uri-schemes/uri-schemes.xhtml, http://msdn.microsoft.com/en-us/library/aa767914(v=vs.85).aspx share | improve this answer | follow ...