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...while "archiving" my app. I think there are invalid profiles because of iPhone Update to 5.1 and XCode update to 4.2.2.
13 ...
Run cron job only if it isn't already running
...ck your own processes ("ps -u $(whoami) -opid=") and see if you're running one with the same PID ("grep -P "^\s*$(cat ${PIDFILE})$""). If you're not, then it will start the program as before, overwrite the PID file with the new PID, and exit. I see no reason to modify the script; do you?
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Are static variables shared between threads?
...model and how writes become visible to threads. You can't count on changes one thread makes becoming visible to other threads in a timely manner (actually the JVM has no obligation to make those changes visible to you at all, in any time frame), unless you establish a happens-before relationship.
He...
What is a “cache-friendly” code?
... disk storage. Hard disk storage is super cheap but very slow).
Caching is one of the main methods to reduce the impact of latency. To paraphrase Herb Sutter (cfr. links below): increasing bandwidth is easy, but we can't buy our way out of latency.
Data is always retrieved through the memory hierarc...
What is the order of precedence for CSS?
I'm trying to figure out why one of my css classes seems to override the other (and not the other way around)
8 Answers
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Is it true that one should not use NSLog() on production code?
... to define your own logging function with better functionality. Here's the one I use, it includes the file name and line number to make it easier to track down log statements.
#define DEBUG_MODE
#ifdef DEBUG_MODE
#define DebugLog( s, ... ) NSLog( @"<%p %@:(%d)> %@", self, [[NSString stri...
Safest way to convert float to integer in python?
...e more, the number is padded with zeroes on the right.
It follows that 53 ones is the largest number that can be stored without padding. Naturally, all (integer) numbers requiring less digits can be stored accurately.
Adding one to 111(omitted)111 (53 ones) yields 100...000, (53 zeroes). As we kno...
What does the 'static' keyword do in a class?
...rs belong to the class instead of a specific instance.
It means that only one instance of a static field exists[1] even if you create a million instances of the class or you don't create any. It will be shared by all instances.
Since static methods also do not belong to a specific instance, they c...
Tools for Generating Mock Data? [closed]
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anyone had success with it's usage? I tried the it, but benerator-wizard generates invalid pom.xml file (for "Populate database" option). Moreover going for one of the demos (hsqldb) with maven results in errors as well. To me i...
Using PassportJS, how does one pass additional form fields to the local authentication strategy?
...ield: 'email', passReqToCallback: true},
function(req, email, password, done) {
// now you can check req.body.foo
}
));
When, set req becomes the first argument to the verify callback, and you can inspect it as you wish.
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