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How do I give text or an image a transparent background using CSS?
... Why not do it with a pseudo element like :after and avoid the extra markup?
– AndFisher
Dec 6 '16 at 9:07
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Adding iOS UITableView HeaderView (not section header)
...o do that, you need to be able to calculate the height of the cell given a string, and pass that value in for heightForRowAtIndexPath. You can use NSString's method sizeWithFont:constrainedToSize: function to figure out the height of the text when constrained to a size.
– Mark
...
Relative paths based on file location instead of current working directory [duplicate]
... have readlink, but has POSIX-compatible utilities - e.g., HP-UX (thanks, @Charles Duffy).
The following solution, inspired by https://stackoverflow.com/a/1116890/45375,
defines helper shell function, rreadlink(), which resolves a given symlink to its ultimate target in a loop - this function is i...
How using try catch for exception handling is best practice
...e
try
{
...
}
catch(Exception ex)
{
throw new ApplicationException(string.Format("I cannot write the file {0} to {1}", fileName, directoryName), ex);
}
There is a lot to do with exception handling (Custom Exceptions) but thoses rules I try to keep in mind are enough for the simple applicat...
What is a mixin, and why are they useful?
...and from XML. You want the type to provide a "ToXML" method that returns a string containing an XML fragment with the data values of the type, and a "FromXML" that allows the type to reconstruct its data values from an XML fragment in a string. Again, this is a contrived example, so perhaps you use ...
WSDL vs REST Pros and Cons
...n get the job done at times when a heavyweight is not required. Also, the extra "stuff" like WS-Security, or Transactions introduces extra complexity that REST simply does not have.
– Kekoa
May 8 '09 at 18:01
...
What does O(log n) mean exactly?
... occurred at the office, and every entry in each of the phone books has an extra "0" at the end of the phone number. Take some white-out and remove each zero.
O(n · n!): We're ready to load the phonebooks onto the shipping dock. Unfortunately, the robot that was supposed to load the books has gone ...
How can I use an array of function pointers?
...ived class.
Often you see something like this
struct function_table {
char *name;
void (*some_fun)(int arg1, double arg2);
};
void function1(int arg1, double arg2)....
struct function_table my_table [] = {
{"function1", function1},
...
So you can reach into the table by name and ca...
How to find all combinations of coins when given some dollar value
...n.
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
if (argc != 2)
{
printf("usage: change amount-in-cents\n");
return 1;
}
int total = atoi(argv[1]);
printf("quarter\tdime\tnickle\tpenny\tto make %d\n", total);
int co...
Printing all global variables/local variables?
...unction you're in, use
(gdb) info args
For example:
int main(int argc, char *argv[]) {
argc = 6*7; //Break here.
return 0;
}
argc and argv won't be shown by info locals. The message will be "No locals."
Reference: info locals command.
...