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Integer to hex string in C++
...r manips of interest are std::oct (octal) and std::dec (back to decimal).
One problem you may encounter is the fact that this produces the exact amount of digits needed to represent it. You may use setfill and setw this to circumvent the problem:
stream << std::setfill ('0') << std::se...
How can I change the image displayed in a UIImageView programmatically?
...n the receiver (UIImageView). Two examples of grabbing an image are below. One from the Web, and one you add to your Resources folder in Xcode.
UIImage *image = [[UIImage alloc] initWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:@"http://farm4.static.flickr.com/3092/2915896504_a88b69c9...
Convert string date to timestamp in Python
...
it assumes midnight 01/12/2011 in local timezone. If input is in UTC; you could use calendar.timegm() or .toordinal()
– jfs
Nov 17 '13 at 19:56
55
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PHP: exceptions vs errors?
...li {
white-space: pre ;
list-style-type : none;
font-family : monospace;
}
ul.code li.line {
color : red;
}
table.trace {
width : 100%;
border-collapse : c...
Git merge left HEAD marks in my files
...t to an answer of the question that is being marked as a duplicate of this one although the answer to this question can be found in the other question.
– t3chb0t
Dec 23 '17 at 10:53
...
Does free(ptr) where ptr is NULL corrupt memory?
...iant versions of the C library treat free(NULL) as a no-op.
That said, at one time there were some versions of free that would crash on free(NULL) which is why you may see some defensive programming techniques recommend:
if (ptr != NULL)
free(ptr);
...
The server committed a protocol violation. Section=ResponseStatusLine ERROR
...d 6 urls throwing this error. Setting useUnsafeHeaderParsing fixed it for one link, but setting KeepAlive=false fixed it for all 6.
– David Hammond
Sep 17 '12 at 18:15
3
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Accessing last x characters of a string in Bash
I found out that with ${string:0:3} one can access the first 3 characters of a string. Is there a equivalently easy method to access the last three characters?
...
Prevent form submission on Enter key press
I have a form with two text boxes, one select drop down and one radio button . When the enter key is pressed, I want to call my JavaScript function, but when I press it, the form is submitted.
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Convert a date format in PHP
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This one just really worked for me Instead of Bullshit strtotime()
– Code Cooker
Aug 7 '17 at 18:35
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