Tutorial by Examples: l

In find and findstr, there are some special characters that require some caution on it. FIND There is only one character that needs escaping - " quote. To escape it, simply add another quote next to it. So " becomes "". Pretty simple. FINDSTR Findstr comes with plenty of ...

FOR /F In a FOR /F statement, some characters needs escaping, here a list(taken and edited from Rob van der Woude's page) CharacterEscaped ResultRemarks'^'Only needed in FOR /F's brackets, unless usebackq is specified.`^`Only needed in FOR /F's brackets, when usebackq is specified,^,┒;^;┃=^=┣ Must...

Here is a list of other special character(s), that require(s)/may need escaping, but not mentioned above. CharacterEscaped ResultRemarks%%%[LF]^[LF]This trick is metioned by Mark Stang in the alt.msdos.batch news group.

When there's an expression with a pipe the cmd starts two threads on both sides of the pipe and the expression is parsed twice (for each side of the pipe) so carets need to be doubled. On the left side: echo ^^^&|more On the right side: break|echo ^^^&

While in combination with path compression, union by rank nearly achieves constant time operations on union-find data structures, there is a final trick that allows us to get rid of the rank storage altogether by storing the rank in out-of-bounds entries of the parentarray. It is based on the follow...

gradle.taskGraph.whenReady {taskGraph -> if (taskGraph.hasTask(assembleDebug)) { /* when run debug task */ autoIncrementBuildNumber() } else if (taskGraph.hasTask(assembleRelease)) { /* when run release task */ autoIncrementBuildNumber() } }

def versionPropsFile = file('version.properties') def versionBuild /*Setting default value for versionBuild which is the last incremented value stored in the file */ if (versionPropsFile.canRead()) { def Properties versionProps = new Properties() versionProps.load(new FileInputStream(ve...

A bracket is considered to be any one of the following characters: (, ), {, }, [, or ]. Two brackets are considered to be a matched pair if the an opening bracket (i.e., (, [, or {) occurs to the left of a closing bracket (i.e., ), ], or }) of the exact same type. There are three types of matched p...

Let's create a new project, I'm choosing Single View Application for better demonstration Drag a page view controller to the storyboard, there are 2 things you should change after that: Set the page view controller as initial view controller Change the transition style to scroll ...

std::boolalpha and std::noboolalpha - switch between textual and numeric representation of booleans. std::cout << std::boolalpha << 1; // Output: true std::cout << std::noboolalpha << false; // Output: 0 bool boolValue; std::cin >> std::boolalpha >> bool...

std::ends - inserts a null character '\0' to output stream. More formally this manipulator's declaration looks like template <class charT, class traits> std::basic_ostream<charT, traits>& ends(std::basic_ostream<charT, traits>& os); and this manipulator places charact...

std::ws - consumes leading whitespaces in input stream. It different from std::skipws. #include <sstream> ... std::string str; std::istringstream(" \v\n\r\t Wow!There is no whitespaces!") >> std::ws >> str; std::cout << str; // Output: Wow!There is n...

Getting all serial ports information from Windows is often necessary, you may want to give the user a choice of ports to open, or check if your device is connected. In addition, some ports just cannot be opened using a "COMx" string and need to be opened using a device name. Some older v...

Detailed instructions on getting wsdl set up or installed.

As the powershell is installed by default on every windows system from 7/2008 and above it can be used for more complex calculations: @echo off set "expression=(2+3)*10/1000" for /f %%# in ('"powershell %expression%"') do set result=%%# echo %result% Mind the additional do...

Here can be found the most comprehensive math library that emulates pen and paper calculations and allows working with bigger numbers. Here are another examples of pen and paper emulations: ADD , Comparison , Multiply Some math functions implementations can be found here.

File structure / -src/ awesome.service.ts another-awesome.service.ts awesome.module.ts -index.ts -tsconfig.json -package.json -rollup.config.js -.npmignore Service and module Place your awesome work here. src/awesome.service.ts: export ...

The same URl for different http methods acts differently. Below is a table depicting the same. HTTP VERBURLDESCRIPTIONGET/api/studentsReturns all studentsGET/api/students/5Returns details of Student Id =5POST/api/studentsAdd a new studentPUT/api/students/5Update student with Id=5DELETE/api/students...

<?php // if device exists, update timestamp $stmt = $mysqli->prepare("UPDATE new_devices SET nd_timestamp=? WHERE nd_deviceid=?"); $stmt->bind_param('ss', $now, $device); $stmt->execute(); //echo "Affected Rows: ".$stmt->affected_rows; // T...

Detailed instructions on getting sikuli set up or installed.