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PostgreSQL ERROR: canceling statement due to conflict with recovery
...ows. Then secondary has to replay this cleanup, and has to forcibly cancel all queries which can use these rows.
Longer queries will be canceled more often.
You can work around this by starting a repeatable read transaction on primary which does a dummy query and then sits idle while a real query ...
Override body style for content in an iframe
...e, I am hiding an element with a specific class in the inner iframe.
Basically, you just append a 'style' element to the 'head' of the inner iframe.
$('iframe').load( function() {
$('iframe').contents().find("head")
.append($("<style type='text/css'> .my-class{display:none;} <...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
... @ghoppe: Worth noting that it differs from .floor() in that it actually just removes anything to the right of the decimal. This makes a difference when used against a negative number. Also, it will always return a number, and will never give you NaN. If it can't be converted to a number, you...
苹果第三财季大中华区营收132.3亿美元 同比增长112% - 资讯 - 清泛网 - 专...
...去年同期的102.82亿美元增长36.9%；
——总营业费用为55.98亿美元，较去年同期的44.53亿美元增长25.7%；
——净利润为106.77亿美元，较去年同期的77.48亿美元增长37.8%；
——每股摊薄收益为1.85美元，较去年同期的1.28美元增长44.5%...
bat 写注册表详解 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...意义。他指出要添加或删除的注册表项段名。
3、WINDOWS98总是先处理DELREG段，后处理ADDREG段，这可能会对我们的应用有所帮助。
[MY.ADD.REG]
HKCU,MYKEY,MYVALUE,0,"STRING" 添加名为MYVALUE的字符串值项到键MYKEY下其值设为STRING
HKCU,MYKEY,...
How to move all files including hidden files into parent directory via *
...e set of solutions on this in UNIX & Linux's answer to How do you move all files (including hidden) from one directory to another?. It shows solutions in Bash, zsh, ksh93, standard (POSIX) sh, etc.
You can use these two commands together:
mv /path/subfolder/* /path/ # your current approach...
Open Source Java Profilers [closed]
...pt()
6.25% ( 9.95s) net.sf.json.JSONObject.write()
3.13% ( 4.98s) ....kohsuke.stapler.jelly.CustomTagLibrary.loadJellyScri()
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Where does Vagrant download its .box files to?
...d to store the .box temporarily whilst downloading but is deleted upon installation within Vagrant.
– Luke Peterson
May 14 '15 at 23:13
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Convert from enum ordinal to enum type
I've the enum type ReportTypeEnum that get passed between methods in all my classes but I then need to pass this on the URL so I use the ordinal method to get the int value. After I get it in my other JSP page, I need to convert it to back to an ReportTypeEnum so that I can continue passing it. ...
lose vim colorscheme in tmux mode
...
Personally I had to use set -g default-terminal "screen-256color" to work rather than xterm on OS X, sshed into an Ubuntu box. I referred to this site: rhnh.net/2011/08/20/vim-and-tmux-on-osx
– waffl
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