大约有 9,600 项符合查询结果(耗时:0.0086秒) [XML]
Difference between float and decimal data type
... @a := (a/3): 33.333333333
@b := (b/3): 33.333333333333
@a + @a + @a: 99.999999999000000000000000000000
@b + @b + @b: 100
The decimal did exactly what's supposed to do on this cases, it
truncated the rest, thus losing the 1/3 part.
So for sums the decimal is better, but for divisions the float ...
Hide keyboard when scroll UITableView
... firstAttribute="bottom" secondItem="wfy-db-euE" secondAttribute="top" id="oIo-DI-vLh"/>
<constraint firstItem="wU1-dV-ueB" firstAttribute="top" secondItem="y3c-jy-aDJ" secondAttribute="bottom" id="tVC-UR-PA4"/>
</constraints>
...
How can I import a database with MySQL from terminal?
...
778
Assuming you're on a Linux or Windows console:
Prompt for password:
mysql -u <username>...
How to format numbers? [duplicate]
...w);
return inp;
};
jQuery(function(){
var numbers = [
0, 99.999, -1000, -1000000, 1000000.42, -1000000.57, -1000000.999
], inputs = $();
dp = jQuery('#dp');
for ( var i=0; i<numbers.length; i++ ) {
inputs = inputs.add(createInput(numbers[i]));
}
dp.on('input cha...
decimal vs double! - Which one should I use and when? [duplicate]
...s 28-29 digits of accuracy. However, you can't go much higher than that. 999,999,999,999,999.99R (999 trillion) would require 18 digits of accuracy to round properly, and since decimal gives you 28-29, that's only 10 digits of cumulative arithmetic error insulation.
– Triynko...
Add comma to numbers every three digits
...
RC @Mark Byers The syntax is right. '999.9999'.replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1,") returns '999.9,999' though.
– bendewey
Jan 2 '10 at 4:44
...
How can I round down a number in Javascript?
...(10, decimals) ) / Math.pow(10, decimals) );
}
examples
alert(roundDown(999.999999)); // 999
alert(roundDown(999.999999, 3)); // 999.999
alert(roundDown(999.999999, -1)); // 990
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improve ...
IntelliJ: Never use wildcard imports
... use...' field, and this caused IntelliJ 12 to silently ignore the value. '9999' works fine.
– PotataChipz
Mar 20 '14 at 16:53
16
...
Remove by _id in MongoDB console
... I tried this: TimeAndSpace.remove( {"_id": ObjectId("8Bd2dZ778LXejYNrL")}); ...and I got, "Uncaught ReferenceError: ObjectId is not defined at <anonymous>:2:13"
– B. Clay Shannon
Aug 11 '15 at 2:57
...
Gradient borders
...s
border: 8px solid #000;
-moz-border-bottom-colors: #555 #666 #777 #888 #999 #aaa #bbb #ccc;
-moz-border-top-colors: #555 #666 #777 #888 #999 #aaa #bbb #ccc;
-moz-border-left-colors: #555 #666 #777 #888 #999 #aaa #bbb #ccc;
-moz-border-right-colors: #555 #666 #777 #888 #999 #aaa #bbb #ccc;
padding...
