Tutorial by Examples: g

docker logs --follow <containerid> This tails the output of the running container. This is useful if you did not set up a logging driver on the docker daemon.

AmCharts provides a load-balanced, reliable CDN for loading the libraries directly from our web server. Use https://www.amcharts.com/lib/3/ as a base URL for includes. <script src="https://www.amcharts.com/lib/3/amcharts.js"></script> <script src="https://www.amcharts...

To do that, [download][1] a required amCharts product ZIP archive. Unzip it and place somewhere on your web server. I.e. in /amcharts/ sub-directory. Then simply load them using <script> tags: <script src="amcharts/amcharts.js"></script> <script src="amcharts/...

The CEILING function rounds a number up, away from zero, to the nearest multiple of significance. The FLOOR function does the same by rounds the number down towards zero. An example of when CEILING could be be used is if you want to avoid using pennies in your prices and your product is priced at $...

The FIXED function rounds a number to the specified number of decimals defined by the decimals parameter, formats the number in decimal format using a comma as a separator unless specified as not required defined by the parameter no_commas, and returns the result as text. The decimals parameter is o...

Consider a structure of the following classes should be constructed in XAML an then read into a CLR object: namespace CustomXaml { public class Test { public string Value { get; set; } public List<TestChild> Children { get; set; } = new List<TestChild>(); ...

Consider a structure of the following classes should be constructed in XAML an then read into a CLR object: namespace CustomXaml { public class Test { public string Value { get; set; } public List<TestChild> Children { get; set; } = new List<TestChild>(); ...

sed -i -e cmd file will modify file even if its permissions are set to read-only. This command behaves similarly to sed -e cmd file > tmp; mv -f tmp file rather than sed -e cmd file > tmp; cat tmp > file; rm tmp The following example uses gnu sed: $ echo 'Extremely important data' &gt...

You can use concatenation to join strings "end to end" while outputting them (with echo or print for example). You can concatenate variables using a . (period/dot). // String variable $name = 'Joel'; // Concatenate multiple strings (3 in this example) into one and echo it once done. ...

You can also use interpolation to interpolate (insert) a variable within a string. Interpolation works in double quoted strings and the heredoc syntax only. $name = 'Joel'; // $name will be replaced with `Joel` echo "<p>Hello $name, Nice to see you.</p>"; # ...

Open the prompt on Windows. Than you will run: lxrun /install If this is the first time, you will inform a user to Bash console. Or you can just use lxrun /install /y To do this step automatically.

You just need run on prompt: lxrun /uninstall /full

There are a number of available routing verbs in Sinatra, they correspond directly to http verbs get '/' do .. get some data, a view, json, etc .. end post '/' do .. create a resource .. end put '/' do .. replace a resource .. end patch '/' do .. change a resource .. end ...

Add the necessary dependencies to the project POM (mybatis, and mybatis-spring): <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>x.x.x</version> </dependency> <dependency> <group...

A1:A4 have A,B,C,D. B1 have the following formula: =ARRAYFORMULA({A1:A4,ROW(A1:A4)}) Result ABC1AA12BB23CC34DD4

Substring returns the portion of string specified by the start and length parameters. var_dump(substr("Boo", 1)); // string(2) "oo" If there is a possibility of meeting multi-byte character strings, then it would be safer to use mb_substr. $cake = "cakeæøå"; var_d...

// Main frame class declaration class CMainFrame : public CMDIFrameWndEx { DECLARE_DYNAMIC(CMainFrame) protected: // declare our pane CDockablePane m_wndPane; // .... other class memebers public: CMainFrame(); protected: afx_msg int OnCreate(LPCREATEST...

The local configuration of sane is inside /etc/saned.d /etc/sane.d/dll.conf # /etc/sane.d/dll.conf - Configuration file for the SANE dynamic backend loader # # Backends can also be enabled by configuration snippets under # /etc/sane.d/dll.d directory -- packages providing backends should drop...

Identify the local scanner By using lsusb, identify the productId (1909 here) : pi:# lsusb pi:# Bus 001 Device 005: ID 04a9:1909 Canon, Inc. CanoScan LiDE 110 With that productId, grep the correct configuration file (it depends of your scanner model, for me it is genesys.conf) : pi:# grep 190...

The print elements of Bootstrap allow you to designate which items should be visible when printed and which should be hidden. To make something visible use either of the following depending on the element and how it should appear when printed: .visible-print-block .visible-print-inline .visible-...