how to read value of environment variable

by: Albretch | last post by:

that was set up for and/or by this user in the OS. Say, you set WEB_DIR as an environment variable pointing to certain folder or root directory Could you go like this <?xml version='1.0'...

.NET Framework

while c = f.read(1)

by: Greg McIntyre | last post by:

I have a Python snippet: f = open("blah.txt", "r") while True: c = f.read(1) if c == '': break # EOF # ... work on c Is some way to make this code more compact and simple? It's a bit...

Python

Retrieve Value Of Global Variables

by: Salvani Langosta | last post by:

In an Access 97 database, I use serveral global variables that hold information about the database, for example: gstrFileServer - holds the server root where the database is stored...

Microsoft Access / VBA

How to store a variable value for more than one executions

by: harishg2 | last post by:

Hi, How to store a variable value for more than one executions. Ex: main() { int i=0; i++; printf("%d",i);

C / C++

How to read %Temp% Env variable on remote machine

by: Vinay | last post by:

Hi We can use Environment class to read %Temp% variable o local machine. But I want to read this variable for currently logged on used for remote machine. Is there anyway to do this using .NET? I...

C# / C Sharp

Read private variables between forms

by: dumbo | last post by:

Hello, who gives one more shining solution to me? My application load form "A". The form "A" by means of a push-button load form "B" that in its turn by means of a push-button load form "C". Form...

Visual Basic .NET

How to change the value of PS1 from within a c program

by: vatsa | last post by:

Hi all, we can simply change value of PS1 from command prompt . but I want to change the value of PS1 from within a c program. i tried to do that using getenv & putenv. but it is n't...

C / C++

read lock needed?

by: Ryan Liu | last post by:

Hi, If I have many threads write to a variable(e.g. var++) and another thread read it on an interval base. For those writing thread, I know I need lock, or its value could be lower ( even I...

C# / C Sharp

open/fopen read/fread in multithreaded environment.

by: Sheth Raxit | last post by:

even thred is not part of C-std, i feel its most relavant to comp.lang.c hope it will not off-topic ------- I am having data/or Text file, which is only used for reading by multiplethreads in...

C / C++

How to turn on java script in a villaon keypad mobile phone

by: Charles Arthur | last post by:

How do i turn on java script on a villaon, callus and itel keypad mobile phone

Java

Merging data from multiple Excel files

by: ryjfgjl | last post by:

In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...

Data Management

Migrating Website to Cloud - Emmanuel Katto

by: emmanuelkatto | last post by:

Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel

General

Navigating the Data Structures and Algorithms (DSA)

by: BarryA | last post by:

What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...

Algorithms / Advanced Math

Is that possible of reading the .csv file in column wise and the column have different lengths ?

by: Sonnysonu | last post by:

This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...

C / C++

How to build RAID in BIOS?

by: Hystou | last post by:

There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...

Computer Hardware

Changing the language in Windows 10

by: Hystou | last post by:

Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...

Windows Server

Problem With Comparison Operator <=> in G++

by: Oralloy | last post by:

Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...

C / C++

The easy way to turn off automatic updates for Windows 10/11

by: Hystou | last post by:

Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...

Windows Server

how to read value of environment variable

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