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byte + byte = int… why?
...ly thing that happened is an addition of 2 ints.
– RichardTheKiwi
Apr 3 '11 at 23:22
2
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Xcode 4 - “Archive” is greyed out?
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see the picture. but I have to type enough chars to post the picture.:)
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What are the underlying data structures used for Redis?
... are called Simple Dynamic Strings, or SDS. It's a smallish wrapper over a char * that allows you to store the length of the string and number of free bytes as a prefix.
Because the length of the string is stored, strlen is an O(1) operation. Also, because the length is known, Redis strings are bin...
How to prevent SIGPIPEs (or handle them properly)
...mple replacing write(...) by send(...,MSG_NOSIGNAL) (see nobar's comment)
char buf[888];
//write( sockfd, buf, sizeof(buf) );
send( sockfd, buf, sizeof(buf), MSG_NOSIGNAL );
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Naming convention for unique constraint
...imary key doesn't get a sequence number since there can be only one. The 2-char alpha suffix meanings are:
PK: Primary Key
AK: Alternate Key
FK: Foreign Key
IX: IndeX
CK: ChecK
DF: DeFault
I generally want to group metadata/system catalog data by the controlling object rather than by object type...
How to generate a random int in C?
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If you need secure random characters or integers:
As addressed in how to safely generate random numbers in various programming languages, you'll want to do one of the following:
Use libsodium's randombytes API
Re-implement what you need from libsod...
How is the “greater than” or “>” character used in CSS?
I have seen this character a number of times in CSS files but I have no idea how its used. Can anyone explain it to me and show how they are useful in making a page style easier?
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Is 23,148,855,308,184,500 a magic number, or sheer chance?
...eth Lewis in Owatonna .
The thing is that all of them have the exact same charge: $23,148,855,308,184,500.00. If the problem was the space-padding, then how is it that all of them had the exact same $0x1250 ($46.88) charge? Two of them had purchased cigarettes at gas stations, another two had paid ...
Replace all non-alphanumeric characters in a string
I have a string with which i want to replace any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go...
Core dumped, but core file is not in the current directory?
...ore_pattern is used to specify a core dumpfile pattern name.
If the first character of the pattern is a '|', the kernel will treat
the rest of the pattern as a command to run. The core dump will be
written to the standard input of that program instead of to a file.
Instead of writing the core du...