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Remove multiple elements from array in Javascript/jQuery
...ld for loop:
var valuesArr = ["v1","v2","v3","v4","v5"],
removeValFromIndex = [0,2,4];
for (var i = removeValFromIndex.length -1; i >= 0; i--)
valuesArr.splice(removeValFromIndex[i],1);
Go through removeValFromIndex in reverse order and you can .splice() without messing up the inde...
How to get size of mysql database?
...oking for:
SELECT table_schema "DB Name",
ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) "DB Size in MB"
FROM information_schema.tables
GROUP BY table_schema;
This query comes from the mysql forums, where there are more comprehensive instructions available.
...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...o know the length of the substring that was actually matched. But Compare, IndexOf ..etc
throw that information away. It could be possible with regular expressions but the implementation doesn't do full case folding and so doesn't match
ß to ss/SS in case-insensitive mode even though .Compare and ....
Replace tabs with spaces in vim
... what if i want to save it with spaces ? right now when I :wq and open the file again i am back to tabs
– Gorkem Yurtseven
Apr 2 '14 at 0:50
1
...
Difference between numpy.array shape (R, 1) and (R,)
...
(8,)
>>> a.shape
(12,)
Here the shape (12,) means the array is indexed by a single index which runs from 0 to 11. Conceptually, if we label this single index i, the array a looks like this:
i= 0 1 2 3 4 5 6 7 8 9 10 11
┌────┬────┬...
Add unique constraint to combination of two columns
... CONSTRAINT uq_yourtablename UNIQUE(column1, column2);
or
CREATE UNIQUE INDEX uq_yourtablename
ON dbo.yourtablename(column1, column2);
Of course, it can often be better to check for this violation first, before just letting SQL Server try to insert the row and returning an exception (exceptio...
How to select last two characters of a string
...
You can pass a negative index to .slice(). That will indicate an offset from the end of the set.
var member = "my name is Mate";
var last2 = member.slice(-2);
alert(last2); // "te"
...
Negative list index? [duplicate]
...bought That is solely because slice notation excludes the element with the index specified after the colon! -1 still refers to the last value in the list.
– xuiqzy
May 28 at 11:47
...
layer弹窗 绑定回车关闭事件 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... '我是内容'
,btn: ['确认','关闭']
,success: function(layero, index){
this.enterEsc = function(event){
if(event.keyCode === 13){
layer.close(index);
return false; //阻止系统默认回车事件
}
};
$(document).on('keydown', this.enterEsc...
nginx 基础配置全攻略，入门这一篇就够了！ - 更多技术 - 清泛网 - 专注C/C...
.../ssl/www.tsingfun.com.key; # key文件的路径
root /var/www/html;
index index.html index.htm;
location / {
proxy_pass http://127.0.0.1:8088;
index index.html index.htm index.jsp;
}
}
2、ssl配置：
# ssl证书地址
ssl_certificate /etc/nginx/ssl/www.tsingfun.com....