Tutorial by Examples: b

Filter expressions cannot include Filter Objects. This is very important. If you decide to form your filters with Filter Expression, you use array of string arrays. The following syntax is wrong: // WRONG!!! var f1 = search.createFilter({ name: 'mainline', operator: searc...

The observer pattern is a common pattern, which is widely used in many contexts. A real example can be taken from YouTube: When you like a channel and want to get all news and watch new videos from this channel, you have to subscribe to that channel. Then, whenever this channel publishes any news, y...

Documented here in the API you see that the syntax of the call is https://api.telegram.org/bot<token>/setwebhook?url=<yoururl>. For the most part this is it. If you need more information, take a look at this guide or look at the requirements (like using HTTPS). After you set this, you c...

Code Block TypeGlobal NamespaceLocal NamespaceModulen.s. for the modulesame as globalScript (file or command)n.s. for __main__same as globalInteractive commandn.s. for __main__same as globalClass definitionglobal n.s. of containing blocknew namespaceFunction bodyglobal n.s. of containing blocknew na...

This code example creates a UDP client then sends "Hello World" across the network to the intended recipient. A listener does not have to be active, as UDP Is connectionless and will broadcast the message regardless. Once the message is sent, the clients work is done. byte[] data = Enco...

custom stuff

Download and install Code::Blocks here. If you're on Windows, be careful to select a file for which the name contains mingw, the other files don't install any compiler. Open Code::Blocks and click on "Create a new project": Select "Console application" and click &...

The procedures bellow will temporarily disable all Excel features at WorkBook and WorkSheet level FastWB() is a toggle that accepts On or Off flags FastWS() accepts an Optional WorkSheet object, or none If the ws parameter is missing it will turn all features on and off for all WorkSh...

Require is a statement that Node interprets as, in some sense, a getter function. For example, say you have a file named analysis.js, and the inside of your file looks like this, function analyzeWeather(weather_data) { console.log('Weather information for ' + weather_data.time + ': '); consol...

Node's require is also very helpful when used in tandem with an NPM package. Say, for example, you would like to use the NPM package require in a file named getWeather.js. After NPM installing your package through your command line (git install request), you are ready to use it. Your getWeather.js f...

Consider this example: He went into the cafe "Dostoevski" and said: "Good evening." Here we have two sets of quotes. Let's assume we want to match both, so that our regex matches at "Dostoevski" and "Good evening." At first, you could be tempted to keep...

if object_id('tempdb.dbo.#temp') is not null drop table #temp create table #temp ( dateValue datetime, category varchar(3), amount decimal(36,2) ) insert into #temp values ('1/1/2012', 'ABC', 1000.00) insert into #temp values ('2/1/2012', 'DEF', 500.00) insert into #temp value...

| Name | Phone | Age | |-------+-------+-----| | Peter | 1234 | 17 | | Anna | 4321 | 25 | To add a Table in org-mode, simply surround your columns with a bar (|) | column1 | column2 | this column is wider | When you press Return from inside a column, org-mode will automatically creat...

int DVRowLimit = (Int16.MaxValue); CellRangeAddressList cellRangeFieldsType1 = new CellRangeAddressList(1, DVRowLimit, targetFirstCol, targetLastCol); XSSFDataValidationConstraint dvConstraint = (XSSFDataValidationConstraint)validationHelper.CreateDateConstraint(OperatorType.BET...

dvConstraint = (XSSFDataValidationConstraint)validationHelper.CreateTimeConstraint(OperatorType.BETWEEN, "=TIME(0,0,0)", "=TIME(23,59,59)");

//try same approach for currency types with format like "$#,###.00"and date "m/d/yy h:mm" XSSFFont defaultFont = (XSSFFont)workbook.CreateFont(); defaultFont.FontHeightInPoints = (short)10; defaultFont.FontName = "Arial"; XSSFCellStyle phoneCellStyle = (XSSFCellStyl...

To get a value use the .getPropertyValue() method element.style.getPropertyValue("--var") To set a value use the .setProperty() method. element.style.setProperty("--var", "NEW_VALUE")

This example will show you back navigation which is expected generally in most of the flows. You will have to add following code to every screen depending on expected behavior. There are 2 cases: If there are more than 1 screen on stack, device back button will show previous screen. If there is ...

Key Points :- used to created mutable (modifiable) string. Mutable :- Which can be changed. is thread-safe i.e. multiple threads cannot access it simultaneously. Methods :- public synchronized StringBuffer append(String s) public synchronized StringBuffer insert(int off...

import sys import json # load input arguments from the text file filename = sys.argv[ 1 ] with open( filename ) as data_file: input_args = json.loads( data_file.read() ) # cast strings to floats x, y = [ float(input_args.get( key )) for key in [ 'x', 'y' ] ] print json.dumps( { ...