All Questions

How do to Multithreading in Python ?

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how COOKIE work with JavaScript ? how can i get or set COOKIE in JavaScript ? is there any benefit to use COOKIE in JavaScript ?

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what is difference between relativeLayout vs LinearLayout in android ?

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what is View in Android ? what is ViewGroup in Android ? what is difference between View and ViewGroup in Android ?

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how to read excel spreadsheet in python ? , dealing with website , want to get some information from excel spreadsheets and summarize it into another spreadsheet and make pdf invoice in Python

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http://server.com/admin/login/?next=/admin/ get the error - no such table : auth_user already tried to create superuser but get again error . [lw] django.db.utils.OperationalError: no such table: auth_user [/lw]

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how to generate pdf file in Python ?

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i installed 3.0.6 32 bit x86 and i got error that msvcp100.dll is missing . i skipped error and complete installation any how. and i try to start Wamp again i got same error that msvcp100.dll is missing .

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read excel file using PHP , and than break it into chunks and want to do some calculation in some column and save it in fromat of .xlsx file so any suggestion , dealing with large .xlsx file ?

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i found following error with Full error [le] The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989) at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:341) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2251) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:247) at swingtest.SwingTest.main(SwingTest.java:38) Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211) at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300) [/le]

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how to sort NSArray ascending order or descending order in objective c ?

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i installed 3.0.6 32 bit x86 and i got error that VCRUNTIME140.dll is missing . i skipped error and complete installation any how. and i try to start Wamp again i got same error that VCRUNTIME140.dll is missing .

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how to connect ftp server with PYTHON and upload file to the server .

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working with Node JS Express Framework - web app, but do not know how to set session for authentication of admin

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select Query result data of given table is there any way we can get all column list of table in SQLite ?

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how to optimize the MySQL Query ? i am very much keen about the speed of MySQL Query , so how to optimize it ? is it storage engine help us to make Data fetch faster ? which storage engine is good to use for fast fetch of data ?

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how to generate random alphanumeric string in objective c . working with iOS app . library or any peace of code , which help to create random alphanumeric string in objective c

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i have multiple NSString which is dynamic input from app. need to concat multiple NSString in one String in objective c .

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bcrypt vs md5 in php , which one is good to use to encrypt the password ?

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what is difference between mysqli and PDO in PHP ? which one is best to use mysqli or PDO in PHP ? i mostly used mysql extension , never used PDO and mysqli is extended version of mysql and PDO is already know good alternative of mysql extension . so which one is good or bad between mysqli or PDO ? what is pros and cons of mysqli and PDO so i can avoid problem of database related in advance

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