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String literals: Where do they go?
...ts of the array, the behavior is undefined.
Where do they go?
GCC 4.8 x86-64 ELF Ubuntu 14.04:
char s[]: stack
char *s:
.rodata section of the object file
the same segment where the .text section of the object file gets dumped, which has Read and Exec permissions, but not Write
Program:
#inclu...
gdb: how to print the current line or find the current line number?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Get data from file input in JQuery
I actually have a file input and I would like to retrieve the Base64 data of the file.
7 Answers
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JavaScript implementation of Gzip [closed]
... jsxcompressor.js file in your project and then you will be able to read a base 64 encoded gzipped data:
<!doctype html>
</head>
<title>Test gzip decompression page</title>
<script src="jsxcompressor.js"></script>
</head>
<body>
<script>
doc...
UIRefreshControl without UITableViewController
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On a hunch, and based on DrummerB's inspiration, I tried simply adding a UIRefreshControl instance as a subview to my UITableView. And it magically just works!
UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
[refreshCont...
Generating a unique machine id
...ock. In practice, this will be rare, but be aware if you expect it to be a base for security that can be attacked by hardcore hackers.
Of course a registry entry can also be easily changed by anyone to forge a machine GUID, but what I found is that this would disrupt normal operation of so many com...
Divide a number by 3 without using *, /, +, -, % operators
...3 + a/1000*3 + (..). In binary it's almost the same: 1 / 3 = 0.0101010101 (base 2), which leads to a / 3 = a/4 + a/16 + a/64 + (..). Dividing by 4 is where the bit shift comes from. The last check on num==3 is needed because we've only got integers to work with.
– Yorick Sijsli...
Why is reading lines from stdin much slower in C++ than Python?
... to the top of your main, you should see much better performance:
std::ios_base::sync_with_stdio(false);
Normally, when an input stream is buffered, instead of reading one character at a time, the stream will be read in larger chunks. This reduces the number of system calls, which are typically re...
git rebase without changing commit timestamps
Would it make sense to perform git rebase while preserving the commit timestamps?
5 Answers
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How to vertically align a html radio button to it's label?
...l, then I may need to set margin-top to a value less than -1px (like -3px) based on how much padding I was using on that label. (I like to give my radio box labels a hover color and rounded border effect to make them look cooler.)
– Volomike
May 9 '16 at 0:26
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