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GCC -g vs -g3 GDB Flag: What is the Difference?
...includes descriptions of functions and external variables, and line number tables, but no information about local variables.
Level 3 includes extra information, such as all the macro definitions present in the program. Some debuggers support macro expansion when you use -g3.
...
Styling HTML email for Gmail
...e block, like so:
<!--[if mso]>
<style type="text/css">
body, table, td, .mobile-text {
font-family: Arial, sans-serif !important;
}
</style>
<xml>
<o:OfficeDocumentSettings>
<o:AllowPNG/>
<o:PixelsPerInch>96</o:PixelsPerInch>
</o:Offic...
Is there a printf converter to print in binary format?
...
You could use a small table to improve speed1. Similar techniques are useful in the embedded world, for example, to invert a byte:
const char *bit_rep[16] = {
[ 0] = "0000", [ 1] = "0001", [ 2] = "0010", [ 3] = "0011",
[ 4] = "0100", [ 5]...
Getting an object from an NSSet
...
@fumoboy007: Consider how a hash table works: The container has an array of some number of buckets, and uses each incoming object's hash to determine which bucket that object should be in. For lookups such as member:, the container will only look in that one...
How to select following sibling/xml tag using xpath
...eir HTML is organized like below. All of the data in their specifications table is ' desc ' while the titles of each section are in ' name. ' Below are two examples of data from Newegg pages.
...
Strangest language feature
...
JavaScript truth table:
'' == '0' // false
0 == '' // true
0 == '0' // true
false == 'false' // false
false == '0' // true
false == undefined /...
Does adding a duplicate value to a HashSet/HashMap replace the previous value
...ten. The key is just used to get the hashvalue() and find the value in the table with it.
Since HashSet uses the keys of a HashMap and sets arbitrary values which don't really matter (to the user) as a result the Elements of the Set aren't replaced either.
...
What do I use for a max-heap implementation in Python?
... amazed that there IS such a built-in solution in heapq. But then it is totally unreasonable that it is NOT even slightly mentioned at all in the official document! WTF!
– RayLuo
Apr 21 '15 at 6:48
...
Remove header and footer from window.print()
...nt, if the page have a long element that scrolls past one page (like a big table), the margin is ignored and the printed version will look weird.
At the time original of this answer (May 2013), it only worked on Chrome, not sure about it now, never needed to try again. If you need support for a bro...
Understanding __get__ and __set__ and Python descriptors
...th the Temperature class). For example:
temp=Temperature()
temp.celsius #calls celsius.__get__
Accessing the property you assigned the descriptor to (celsius in the above example) calls the appropriate descriptor method.
instance in __get__ is the instance of the class (so above, __get__ would r...