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Confused about stdin, stdout and stderr?
...t the kernel level, it is all file descriptors (int references to the file table) and much lower-level operations like read and write, which do not do the happy buffering of the ISO C functions. I figured to keep it simple and use the easier functions, but I thought all the same you should know the ...
How can I run a PHP script in the background after a form is submitted?
...s enough to cause it takes upwards of a minute to cycle through the entire table of subscribers and send out 150+ emails. (The emails are being sent individually as requested by the system administrators of our email server because of mass email policies.)
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Is there still any reason to learn AWK?
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++ Agreed, awk really is one of the most portable, and importantly, consistent tools in the *nix toolset. It works reliably on busybox, for instance, where perl is nowhere to be found.
– guns
Mar 31 '09 at 21:49
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What's the difference between :: (double colon) and -> (arrow) in PHP?
...ate and delete methods, since you can set the return value to the inserted table id and then use the constructor to instantiate the object by the row id.
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Using emit vs calling a signal as if it's a regular function in Qt
...s have been made. "under-the-hood" the signal and slot mechanism is just a table with pointers to every function that is connected.
Also, look at this pdf which explains very clearly the nature of the signals and slots mechanism:
http://www.elpauer.org/stuff/a_deeper_look_at_signals_and_slots.pdf
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How to overload functions in javascript?
...he second argument, it would have to be passed as null (or some other detectable value) instead and your code would detect that:
obj.query("firstArg", null, "thirdArg");
Here's a jQuery example of optional arguments. both arguments are optional and take on default values if not passed:
clone:...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
...) for the list marker or adjust its position
This method is also not suitable for the <img> tag as the conversion cannot be made between element types, and here's the limited, non compliant hack that doesn't work on Chrome.
Good candidate method, see conclusions...
CSS3's border-image...
C pointers : pointing to an array of fixed size
...people get confused by a rather convoluted syntax and are simply not comfortable enough with such features of C language to use them properly. For this reason, in average real life, passing an array as a pointer to its first element is a more popular approach. It just looks "simpler".
But in realit...
Is it safe to parse a /proc/ file?
...s even less consistent than that. It's atomic only within each row of the table. To see this, look at listening_get_next() in net/ipv4/tcp_ipv4.c and established_get_next() just below in the same file, and see the locks they take out on each entry in turn. I don't have repro code handy to demonst...
How to express a One-To-Many relationship in Django
...erated by django for you :-). We only need to define foreignKey in related table. In other words, we only need to define ManyToOne relation by using foreignKey.
class Car(models.Model):
// wheels = models.oneToMany() to get wheels of this car [**it is not required to define**].
class Wheel(mo...