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How to list files in a directory in a C program?
... on terminal by a C program? Maybe I can use exec function to run find command but I want file name as a string to send client program. How can I do this?
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Changing specific text's color using NSMutableAttributedString in Swift
...textColor of certain text in a TextView. I am using a concatenated string, and just want the strings I am appending into the TextView's text. It appears that what I want to use is NSMutableAttributedString , but I am not finding any resources of how to use this in Swift. What I have so far is somet...
.bashrc/.profile is not loaded on new tmux session (or window) — why?
...he profile.
The rules as to when bash runs certain files are complicated, and depend on the type of shell being started (login/non-login, interactive or not, and so forth), along with command line arguments and environment variables.
You can see them in the man bash output, just look for INVOCATIO...
PostgreSQL error: Fatal: role “username” does not exist
...en done with operating as system user postgres.
Or execute the single command createuser as postgres with sudo, like demonstrated by drees in another answer.
The point is to use the operating system user matching the database role of the same name to be granted access via ident authentication. pos...
How do I print the full value of a long string in gdb?
...er it has printed the number of elements set by the set print elements command. This limit also applies to the display of strings. When GDB starts, this limit is set to 200. Setting number-of-elements to zero means that the printing is unlimited.
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Symbolic link to a hook in git
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I don't understand why I need to go up two directories to link a resource that lives in the folder I've cd'd into. Shouldn't it just be ln -s ./hooks/ ?
– Droogans
Aug 4 '13 at 19:13
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Expand/collapse section in UITableView in iOS
Could somebody tell me the way to perform UITableView expandable/collapsible animations in sections of UITableView as below?
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printf() formatting for hex
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The # part gives you a 0x in the output string. The 0 and the x count against your "8" characters listed in the 08 part. You need to ask for 10 characters if you want it to be the same.
int i = 7;
printf("%#010x\n", i); // gives 0x00000007
printf("0x%08x\n", i); // gives 0x0...
Can I use my existing git repo with openshift?
...ave git repo on openshift only? I already have bitbucket / github git repo and would prefer to push there only. Can I simply hook into it so that openshift gets intimation ?
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Why doesn't this code simply print letters A to Z?
... convention when dealing with arithmetic operations on character variables and not C's.
For example, in Perl 'Z'+1 turns into 'AA', while in C 'Z'+1 turns into '[' ( ord('Z') == 90, ord('[') == 91 ).
Note that character variables can be incremented but not decremented and even so only plain ASCII ch...