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SQLite UPSERT / UPDATE OR INSERT
...
This is a late answer. Starting from SQLIte 3.24.0, released on June 4, 2018, there is finally a support for UPSERT clause following PostgreSQL syntax.
INSERT INTO players (user_name, age)
VALUES('steven', 32)
ON CONFLICT(user_name)
DO UPDATE SET age=excluded.age;
Note: For those ha...
Which encoding opens CSV files correctly with Excel on both Mac and Windows?
... | Latin Extended-A |
| ‘ | 145 | 8216 | 0x91 | U+2018 | ‘ | left single quotation mark | General Punctuation |
| ’ | 146 | 8217 | 0x92 | U+2019 | ’ | right single quotation mark | General...
How to find corresponding log files folder for a web site?
...the PORT Id as part of the Logs.
E.g. a sample IIS log may look like this:
2018-06-08 18:17:29 10.172.87.35 HEAD /hbeat/ - 26358 - 192.xxx.xxx.xxx - - 200 0 0 0
in the above example, 26358 is my port Id and you will know this corresponds to which one of your websites on the same server. SO just ope...
Left align and right align within div in Bootstrap
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2018 Update...
Bootstrap 4.1+
pull-right is now float-right
text-right is the same as 3.x, and works for inline elements
both float-* and text-* are responsive for different alignment at different widths (ie: float-sm-righ...
What is a practical use for a closure in JavaScript?
...g this question but it might help anyone still searching for the answer in 2018.
Javascript closures can be used to implement throttle and debounce functionality in your application.
Throttling:
Throttling puts a limit on as a maximum number of times a function can be called over time. As in "exe...
NodeJS - Error installing with NPM
...nd then install the package
$ npm install --global node-gyp
UPDATED 06/2018
https://github.com/nodejs/node-gyp/issues/809#issuecomment-155019383
Delete your $HOME/.node-gyp directory and try again.
See full documentation here: node-gyp
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Single huge .css file vs. multiple smaller specific .css files? [closed]
...le CSS file is the speed benefit when using HTTP1.1.
However, as of March 2018 over 80% of browsers now support HTTP2 which allows the browser to download multiple resources simultaneously as well as being able to push resources pre-emptively. Having a single CSS file for all pages means a larger t...
使用Activity启动器组件 · App Inventor 2 中文网
...aia 文件），你可以按如下方式找到这些名称：
将源代码下载到你的计算机。
使用文件资源管理器或解压缩实用程序，找到名为 youngandroidproject/project.properties 的文件。
第一行以main=开头。 之后的所有内容都是包名和类名。
例...
How to match any non white space character except a particular one?
... have to use ([^[:space:]]) instead of ([^\s]). I'm on openSUSE Tumbleweed 2018 04 03.
– user2394284
Apr 6 '18 at 11:01
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Context switches much slower in new linux kernels
...nswered Aug 24 '12 at 22:10
Michael GoldshteynMichael Goldshteyn
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