Tutorial by Examples: char

Once you are connected to a Gatt Server, you're going to be interacting with it by writing and reading from the server's characteristics. To do this, first you have to discover what services are available on this server and which characteristics are avaiable in each service: @Override public voi...

Common Lisp has 12 type specific operators to compare two characters, 6 of them case sensitives and the others case insensitives. Their names have a simple pattern to make easy to remember their meaning: Case SensitiveCase InsensitiveCHAR=CHAR-EQUALCHAR/=CHAR-NOT-EQUALCHAR<CHAR-LESSPCHAR<=CHA...

Request:"http://example.com" GET / HTTP/1.1 Host: example.com User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0 Accept: text/html,application/xml;q=0.9,*/*;q=0.8 Accept-Charset: UTF-8, iso-8859-1;q=0.8, *;q=0.5 Accept-Language: en-US,en;q=0.5 Acc...

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.

In this Stack Overflow question, user txtechhelp found an issue with the ^ character which could cause a security issue. Cause anyInvaildCommand ^ Note: Make sure the caret(^) is the last character! Any extra CR\LF won't work at all! The caret looks for the next character to escape. However,...

.* in regex basically means "catch everything until the end of input". So, for simple strings, like hello world, .* works perfectly. But if you have a string representing, for example, lines in a file, these lines would be separated by a line separator, such as \n (newline) on Unix-like s...

You can read all items either from any config file or type it inline. Considering if its saved in Config File // Read all list items from config file string[] countryDV = ConfigurationManager.AppSettings["countryDV"].Split(',').Select(s => s.Trim().ToUpper()).ToArray(); int DVRowLim...

Approach in this case will be different than previous example because Excel file supports the Data validation for list of items with total character count less than 256 if all items are binded directly as in previous example. But in many situation list items can be longer than 256 characters and in ...

There are 3 usages of the $ character in a DOSKEY macro. Command separator $T is the equivalent of & in a batch script. One can join commands together like so. DOSKEY test=echo hello $T echo world Command-line arguments Like bash(not batch), we use $ to indicate command-line argument....

Use the following flowchart to choose the right Collection for the job. This flowchart was based off [http://i.stack.imgur.com/aSDsG.png).

Choosing which C++ Container to use can be tricky, so here's a simple flowchart to help decide which Container is right for the job. This flowchart was based on Mikael Persson's post. This little graphic in the flowchart is from Megan Hopkins

Many symbols and special characters are required while developing a web page in html, but as we know that sometimes the use of characters directly may interfere with the actual html code which have certain characters reserved and also certain characters being not available on keyboard. Thus, to avoi...