Tutorial by Examples: g

For small functions that get called often, the overhead associated with the function call can be a significant fraction of the total execution time of that function. One way of improving performance, then, is to eliminate the overhead. In this example we use four functions (plus main()) in three so...

If you enable prettyUrl in your yii2-app, your redirect_uri will be: http://<base_url>/web/site/auth And disable pretty url: http://<base_url>/web/index.php?r=site%2Fauth Example:

This document explains how to get Google Access tokens and use them to get Google Analytics data to be displayed in our websites. Example: A live example is available in https://newtonjoshua.com note: Use the same gmail account for all the below steps. STEP 1: Set Up Google Analytics Foll...

When calling driver.Navigate().GoToUrl(url);, the code execution stops until the page is fully loaded. This is sometimes unnecessary when you just want to extract data. Note: The code samples below could be considered hacks. There is no "official" way of doing this. Create a new thread...

SELECT CURRENT_DATE + '1 day'::INTERVAL SELECT '1999-12-11'::TIMESTAMP + '19 days'::INTERVAL SELECT '1 month'::INTERVAL + '1 month 3 days'::INTERVAL

DELETE FROM <SCHEMA_NAME>.<Table_NAME> WHERE ctid NOT IN ( SELECT MAX(ctid) FROM <SCHEMA_NAME>.<TABLE_NAME> GROUP BY <SCHEMA_NAME>.<TABLE_NAME>.* ) ;

If the Control has rows. TextBox tb = GridView1.Rows[i].FindControl("TextBox1") as TextBox; Or if it has items. TextBox tb = Repeater1.Items[i].FindControl("TextBox1") as TextBox;

Add arbitrary paths to the Maya Python environment in the userSetup.py file. userSetup.py is a Python file (not a module) which gets automatically executed on Maya startup. userSetup.py can live in a number of locations, depending on the os and environment variables. When Maya starts, it will exe...

inline int add(int x, int y) { return x + y; } int main() { int a = 1, b = 2; int c = add(a, b); } In the above code, when add is inlined, the resulting code would become something like this int main() { int a = 1, b = 2; int c = a + b; } The inline function ...

I need to query all the details from virtual machine and update into the MongoDB. Which require the output look like this. { "_id" : ObjectId("5800509f23888a12bccf2347"), "ResourceGrp" : "XYZZ-MachineGrp", "ProcessTime" : ISODate(&q...

Here is the example of creating of mail message with attachments. After creating we send this message with the help of SmtpClient class. Default 25 port is used here. public class clsMail { private static bool SendMail(string mailfrom, List<string>replytos, List<string> mailtos, L...

Open Visual Studio 2015, navigate to Tools → Extensions → Online and search for Antlr. Download the extension ANTLR Language Support (Created by Sam Harwell) and restart Visual Studio. Create new Console Application Project. Right click on the Solution → Manage Nuget Packages for Solution → Brows...

The exchange methods of RestTemplate allows you specify a HttpEntity that will be written to the request when execute the method. You can add headers (such user agent, referrer...) to this entity: public void testHeader(final RestTemplate restTemplate){ //Set the headers you need send ...

The Angular CLI command-line interface has AoT compilation support since beta 17. To build your app with AoT compilation, simply run: ng build --prod --aot

Whitelisting won't disable the doze mode for your app, but you can do that by using network and hold-wake locks. Whitelisting an Android application programmatically can be done as follows: boolean isIgnoringBatteryOptimizations = pm.isIgnoringBatteryOptimizations(getPackageName()); if(!isIgnorin...

From android 6.0 this permission needs to grant dynamically, <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/> Throwing below permission denied error on 6.0, Caused by: android.view.WindowManager$BadTokenException: Unable to add window android.view.ViewRoo...

library(deSolve) ## ----------------------------------------------------------------------------- ## Define parameters and variables ## ----------------------------------------------------------------------------- eps <- 0.01; M <- 10 k <- M * eps^2/2 L <- 1 L0 <- 0.5 ...

sink("caraxis_C.c") cat(" /* suitable names for parameters and state variables */ #include <R.h> #include <math.h> static double parms[8]; #define eps parms[0] #define m parms[1] #define k parms[2] #define L parms[3] #define L0 parms[4] #define r p...

sink("caraxis_fortran.f") cat(" c---------------------------------------------------------------- c Initialiser for parameter common block c---------------------------------------------------------------- subroutine init_fortran(daeparms) external daeparms ...

When you compiled and loaded the code in the three examples before (ODEs in compiled languages - definition in R, ODEs in compiled languages - definition in C and ODEs in compiled languages - definition in fortran) you are able to run a benchmark test. library(microbenchmark) R <- function(){...