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Insert new column into table in sqlite?
... populate it with the old data:
INSERT INTO {tableName} (name, qty, rate) SELECT name, qty, rate FROM TempOldTable;
Then delete the old table:
DROP TABLE TempOldTable;
I'd much prefer the second option, as it will allow you to completely rename everything if need be.
...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
...NX config files so you can re-use them (that includes your init.d/nginx script)
yum install pcre pcre-devel openssl openssl-devel and any other necessary libs for building NGINX
Get the nginx_tcp_proxy_module from GitHub here https://github.com/yaoweibin/nginx_tcp_proxy_module and remember the folde...
How can I determine installed SQL Server instances and their versions?
...To do this...
At command line:
svrnetcn
In the enabled protocols list, select 'TCP/IP', then click properties. There is a check box for 'Hide server'.
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Split value from one field to two
...);
END$$
DELIMITER ;
you would be able to build your query as follows:
SELECT SPLIT_STR(membername, ' ', 1) as memberfirst,
SPLIT_STR(membername, ' ', 2) as memberlast
FROM users;
If you prefer not to use a user defined function and you do not mind the query to be a bit more verbose, ...
How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?
... $("#text").val(); // value = 9.61 use $("#text").text() if you are not on select box...
value = value.replace(".", ":"); // value = 9:61
// can then use it as
$("#anothertext").val(value);
Updated to reflect to current version of jQuery. And also there are a lot of answers here that would best ...
Debugging with command-line parameters in Visual Studio
...
Make sure you have the correct Configuration selected in the dropdown at the top of the Property pages, i.e. the same configuration as the one you are trying to run.
– Steve Smith
Jan 4 '18 at 14:51
...
Vim multiline editing like in sublimetext?
...d asd asd asd;
Hit <C-v> to enter visual-block mode and expand your selection toward the bottom:
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
Hit I"<Esc> to obtain:
asd...
How to send password securely over HTTP?
...ded using
the RFC2045-MIME variant of Base64, except not limited to 76
char/line.
The authorization method and a space i.e. "Basic " is then
put before the encoded string.
source: Wikipedia: Authorization header
It might seem a bit complicated, but it is not.
There are plenty go...
How to compare Unicode characters that “look alike”?
...ions had best answers and later one of the moderator merged both questions selecting best answer of the second one as best. Someone edited this question, so that it will summarize
– Subin Jacob
Dec 31 '13 at 4:22
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LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...它可以用于剪贴板中的内容不是文本的情形。
6． 全选(Select All)
从编辑菜单中选用“Select All”命令或按Ctrl+A组合键可选定当前窗口中的所有内容。
7． 匹配小括号(Match Parenthesis)
从编辑菜单中选用“Match Parenthesis”命令...