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Center a position:fixed element
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You basically need to set top and left to 50% to center the left-top corner of the div. You also need to set the margin-top and margin-left to the negative half of the div's height and width to shift the center towards the middle of the div.
Thus, provided a <!DOC...
Converting an integer to a hexadecimal string in Ruby
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You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum and BigNum were unified in the Integer class.
If you are using an older ruby check the documentation of FixNum#to_s and BigNum#to_s
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How to capitalize the first letter of word in a string using Java?
...ing named input and leave the rest alone:
String output = input.substring(0, 1).toUpperCase() + input.substring(1);
Now output will have what you want. Check that your input is at least one character long before using this, otherwise you'll get an exception.
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How do I detect unsigned integer multiply overflow?
...lutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied.
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How do I make jQuery wait for an Ajax call to finish before it returns?
...type: 'GET',
async: false,
cache: false,
timeout: 30000,
fail: function(){
return true;
},
done: function(msg){
if (parseFloat(msg)){
return false;
} else {
return true;
}...
Calculate total seconds in PHP DateInterval
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209
Could you not compare the time stamps instead?
$now = new DateTime('now');
$diff = $date->...
Adding a new SQL column with a default value
...for the syntax to add a column to a MySQL database with a default value of 0
10 Answers
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`testl` eax against eax?
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It tests whether eax is 0, or above, or below. In this case, the jump is taken if eax is 0.
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How to add new item to hash
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307
Create the hash:
hash = {:item1 => 1}
Add a new item to it:
hash[:item2] = 2
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Hidden features of C
... share
answered Sep 25 '08 at 10:29
community wiki
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