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Background image jumps when address bar hides iOS/Android/Mobile Chrome

... This issue is caused by the URL bars shrinking/sliding out of the way and changing the size of the #bg1 and #bg2 divs since they are 100% height and "fixed". Since the background image is set to "cover" it will adjust the image size/position as the containing area is larger. Based on the resp...
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Detect encoding and make everything UTF-8

I'm reading out lots of texts from various RSS feeds and inserting them into my database. 24 Answers ...
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How do I check if an integer is even or odd? [closed]

... if (x % 2) printf("%d is odd\n", x); return 0; } /* and.c */ #include <stdio.h> int main(void) { int x; for (x = 0; x < 10; x++) if (x & 1) printf("%d is odd\n", x); return 0; } I then compiled these with gcc 4.1.3 on one of my m...
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Round to at most 2 decimal places (only if necessary)

... @James Wow that's really weird- I'm working in the Chrome dev console and I'm noticing that 1.005 * 100 = 100.49999999999999. Math.round(100.49999999999999) evaluates to 100, whereas Math.round(100.5) evaluates to 101. IE9 does the same thing. This is due to floating point weirdness in javascri...
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How to generate a random string in Ruby

I'm currently generating an 8-character pseudo-random uppercase string for "A" .. "Z": 50 Answers ...
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Linux command to list all available commands and aliases

Is there a Linux command that will list all available commands and aliases for this terminal session? 20 Answers ...
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How do you run a command for each line of a file?

... Read a file line by line and execute commands: 4 answers This is because there is not only 1 answer... shell command line expansion xargs dedicated tool while read with some remarks while read -u using dedicated fd, for interactive processing (sam...
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How do I create and read a value from cookie?

How can I create and read a value from a cookie in JavaScript? 19 Answers 19 ...
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Difference between signed / unsigned char [duplicate]

So I know that the difference between a signed int and unsigned int is that a bit is used to signify if the number if positive or negative, but how does this apply to a char ? How can a character be positive or negative? ...
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?

In a small application written in C/C++, I am facing a problem with the rand function and maybe the seed : 9 Answers ...