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How do I get the width and height of a HTML5 canvas?
... and height attributes are not present in the canvas element, the default 300x150 size will be returned. To dynamically get the correct width and height use the following code:
const canvasW = canvas.getBoundingClientRect().width;
const canvasH = canvas.getBoundingClientRect().height;
Or using th...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...p命令结果：
shell> top -p $(pidof mongod)
Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers
Swap: 2097144k total, 100k used, 2097044k free, 26482048k cached
VIRT RES SHR %MEM
1892g 21g 21g 69.6
这台MongoDB服务器有没有性能问题？大家可...
Check if string begins with something? [duplicate]
...
Use stringObject.substring
if (pathname.substring(0, 6) == "/sub/1") {
// ...
}
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How to read the output from git diff?
...
Lets take a look at example advanced diff from git history (in commit 1088261f in git.git repository):
diff --git a/builtin-http-fetch.c b/http-fetch.c
similarity index 95%
rename from builtin-http-fetch.c
rename to http-fetch.c
index f3e63d7..e8f44ba 100644
--- a/builtin-http-fetch.c
+++ b/htt...
HTML Input=“file” Accept Attribute File Type (CSV)
...v), use:
<input type="file" accept=".csv" />
For Excel Files 97-2003 (.xls), use:
<input type="file" accept="application/vnd.ms-excel" />
For Excel Files 2007+ (.xlsx), use:
<input type="file" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" />
...
Is there are way to make a child DIV's width wider than the parent DIV using CSS?
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Use absolute positioning
.child-div {
position:absolute;
left:0;
right:0;
}
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how to change uiviewcontroller title independent of tabbar item title
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Working for me in Xcode 10.2 using Swift 4.2, thanks a ton!
– jangelsb
Oct 8 '19 at 22:39
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Check if table exists without using “select from”
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330
If you want to be correct, use INFORMATION_SCHEMA.
SELECT *
FROM information_schema.tables
WHE...
What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
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edited Jan 13 '17 at 14:03
displayname
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a...
How do I detect “shift+enter” and generate a new line in Textarea?
...olution below is better I suggest using that:
https://stackoverflow.com/a/6015906/4031815
My solution
I think you can do something like this..
EDIT : Changed the code to work irrespective of the caret postion
First part of the code is to get the caret position.
Ref: How to get the caret co...