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When should the xlsm or xlsb formats be used?
...//blogs.msdn.microsoft.com/dmahugh/2006/08/22/new-binary-file-format-for-spreadsheets/
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memcpy() vs memmove()
...o understand the difference between memcpy() and memmove() , and I have read the text that memcpy() doesn't take care of the overlapping source and destination whereas memmove() does.
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Use HTML5 to resize an image before upload
... to handle only the resizing:
window.uploadPhotos = function(url){
// Read in file
var file = event.target.files[0];
// Ensure it's an image
if(file.type.match(/image.*/)) {
console.log('An image has been loaded');
// Load the image
var reader = new FileRea...
How to use web-fonts legally? [closed]
...om one of the large foundries like fonts.com or myfonts.com. Make sure you read their license. For example, if you buy a font, you are almost always free to use it in print products, on graphics on your web site, etc., but you are almost never allowed to re-distribute a digital version of the font, ...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
... | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage "%"}'
EDIT please read comments before copy-paste this or using this for any serious work. This was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people...
Setting multiple attributes for an element at once with JavaScript
...s not handle the case where only one attribute is set, and the other one already has a previous value. But god helps this is not the question actually objective. Not easy!
– Vladimir Brasil
Dec 10 '18 at 14:13
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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...60 3.65 1.04 4.29 0.00 88.42
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
cciss/c0d0 17.79 545.80 256.52 855159769 401914750
cciss/c0d0p1 0.00 0.00 0.00 5459 3518
cciss/c0d0p2 16.45 533.97 ...
How to dynamically create a class?
... Note also that you will have to use reflection to examine, read and update fields in your dynamic type. If you want intellisense and no reflection, you have to have a static base class or interface that your dynamic class inherits from and can be casted to. In that case you can modif...
Oracle “Partition By” Keyword
...n against this records salary without a sub select, which is much faster.
Read the linked AskTom article for further details.
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Is there an auto increment in sqlite?
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Have you read this? How do I create an AUTOINCREMENT field.
INSERT INTO people
VALUES (NULL, "John", "Smith");
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