Month: September 2022

[Solved] Trying to change page content by menu clicks

by

In using php you can seperate your contents into files and include them selectively using if…else,include(‘fileName.php’) and checking for button click using isset(‘variableName’) pls note that the code below have not been tested : vars.php <?php $color=”green”; $fruit=”apple”; ?> test.php <form name=”new user” method=”post” action=<?php echo htmlspecialchars($_SERVER[“PHP_SELF”]); ?> > <input type=”submit” value=”show”/> </form> <?php if … Read more

[Solved] Communication between wemos d1(as a client) and a webserver(on arduino or wemos d1) through LAN [closed]

by

Yes, you can run a webserver with Arduino. This is the example from https://www.arduino.cc/en/Tutorial/WebServer /* Web Server A simple web server that shows the value of the analog input pins. using an Arduino Wiznet Ethernet shield. Circuit: * Ethernet shield attached to pins 10, 11, 12, 13 * Analog inputs attached to pins A0 through … Read more

[Solved] How the consecutive numbers can be replaced with the range of number and random number should be as it is?

by

I have just solved this problem..Its super simple just some if-else condition, however, I don’t think about efficient way, so please follow the solution and try to efficient it. public static void main(String[] args) { int [] numberList = {1,2,3,4,5,6,458,243}; int initialSequence = -1; int endSequence = -5; for (int num = 0; num<numberList.length;num++) { … Read more

[Solved] The second root of a number is up to four digits without decomposing it

by

If you’re printing only 4 decimals and you don’t want the number rounded that means you want the decimals truncated and regular formatting methods don’t provide facilities for that. You can easily achieve that if you pre-process your number as: def truncate_number(number, decimals): factor = 10.0 ** decimals return int(number * factor) / factor num … Read more

[Solved] why the async Task always return empty value [closed]

by

Your problem seems to be that waiting for test().Result causes a dead lock. The reason is that this line await Task.Delay(1000); returns the execution flow to the caller, which then calls test().Result to wait for the task to complete. So your main thread is blocking. The await in the above line tries to resume execution … Read more

[Solved] Installing Hadoop in LinuxMint

by

can install the VM on linux You can use a VM on any host OS… That’s the point of a VM. The last link is only Hadoop, where Hortonworks has much, much more like Spark, Hive, Hbase, Pig, etc. Things you’d need to additionally install and configure yourself otherwise Which is better for learning and … Read more

[Solved] Failed to convert parameter value from a SqlParameter to a String

by

The ExecuteDataSet call takes the actual parameter values, not SqlParameter objects. Change it to simply do: var ds1 = db.ExecuteDataSet(“Getmagesbylot2”, “Bob123457”); You might also want to check that you’ve spelled the SP correctly, maybe it should be GetImagesByLot2. 2 solved Failed to convert parameter value from a SqlParameter to a String

[Solved] Circular progress indicator with animation at end

by

You can use this well known library AnimCheckBox. Here is an screenshot what will you get. How to use? Add this dependency to your app level build.gradle dependencies{ compile ‘com.hanks.animatecheckbox:library:0.1’ } Then in your layout.xml <com.hanks.library.AnimateCheckBox android:layout_width=”50dp” android:layout_height=”50dp” android:padding=”15dp” app:animDuration=”200″ app:checkedColor=”#00f” app:lineColor=”#fff” app:lineWidth=”1.2dp” app:unCheckColor=”#ff0″/> 2 solved Circular progress indicator with animation at end

[Solved] singleton is design-pattern or anti-pattern? [closed]

by

As far as I know, the book AntiPatterns by Brown et al, 1998 may have been the first to popularise the term. It defines an anti-pattern like this: “An AntiPattern is a literary form that describes a commonly occurring solution to a problem that generates decidedly negative consequences.” I think that it’s worthwhile to pay … Read more

[Solved] how to fetch data from xml document and write to a text file?

by

There are one to many ways to achieve this: using System; using System.IO; using System.Xml; public class SampleXML { public static void Main() { //Create the XmlDocument. XmlDocument doc = new XmlDocument(); doc.Load(“TaskName.xml”); //Display the desired tag. XmlNodeList elemList = doc.GetElementsByTagName(“name”); for (int i=0; i < elemList.Count; i++) { Console.WriteLine(elemList[i].InnerXml); } } } or this? … Read more

[Solved] Pandas Python: KeyError Date

by

This looks like an excel datetime format. This is called a serial date. To convert from that serial date you can do this: data[‘Date’].apply(lambda x: datetime.fromtimestamp( (x – 25569) *86400.0)) Which outputs: >>> data[‘Date’].apply(lambda x: datetime.fromtimestamp( (x – 25569) *86400.0)) 0 2013-02-25 10:00:00.288 1 2013-02-26 10:00:00.288 2 2013-02-27 10:00:00.288 3 2013-02-28 10:00:00.288 To assign it … Read more

[Solved] Extract data from txt file and create new file based on specific text dynamically

by

Here is an easy-to-read solution with Bash and grep: #!/bin/bash while read line ; do if FILE=$(grep -P -o ‘[a-z]*\.txt(?= – Starting)’ <<< “$line”); then F=”$FILE” fi if ! grep ‘\*\*\*\*’ <<< “$line” ; then echo “$line” >> “$F” fi done It gives the following result $ cat file.txt ****************** abc.txt – Starting point ******************** … Read more