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Frequently Asked Questions

How do I convert an OCTET STRING value into a readable string?

Scotty Frequently Asked Questions
OCTET STRING value like 73:63:6f:74:74:79 can be converted into a readable string (DisplayString) by formatting it according to the DisplayString textual convention.

How do I convert a value (a number, for example) to a std::string?

Miscellaneous technical issues, C++ FAQ Lite
There are two easy ways to do this: you can use the <cstdio> facilities or the <iostream> library. In general, you should prefer the <iostream> library. The <iostream> library allows you to convert pretty much anything to a std::string using the following syntax (the example converts a double, but you could substitute pretty much anything that prints using the << operator): The std::ostringstream object o offers formatting facilities just like those for std::cout.

How do I convert a string to a number?

Updating the For Beginners forum FAQ - GameDev.Net Discussio...
I am including the header file <string>, and I am using the string class, but the code doesn't compile? (namespace resolution, having the std:: topics) How do I use unique() with vectors? (answered only once, but still a good question to have due to people not knowing that it's possible to do)

How do I simulate a table with an OCTET STRING INDEX?

Frequently Asked Questions
My script is filling up the vacmAccessTable (in the vacmMIBObjects) > with values (that works fine). But when the script deletes the > table rows, an error occurs. > > Here is the error that is printed as output from the script: > {Failed INDEX simulation for table} > while executing > "mimic value instances 1.3.6.1.6.3.16.1.4.1.9" >... In your script, adding a new instance to the vacmAccessTable is not working correctly i.e.

How to convert the datetime into a string for use in the SQL ' statement?

Megasolutions.net :: Asp.Net Frequently Asked Questions - FA...
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Private Sub ddlCulture_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ddlCulture.SelectedIndexChanged

How do I convert an integer to a string representation?

CSC 209 Summer 2006
Well, printf does it for output, so look at its related function named sprintf that "prints formated output to a string."

How can I convert an integer or a float to a string?

Frequently Asked Questions
It's easy. Use sprintf. For example: char string1[50]; char string2[50]; short int var1; float var2; ... sprintf (string1, "%d", var1); sprintf (string2, "%f", var2);

How can I convert from string to int ?

C++ corner
You want to make a function that converts from a type to another. Like from std::string to int, or the other way around. This can be done using std::stringstream and insertion / extraction operators. Just as above, templates will prove of great help: Its usage is not as straightforward as the above explained max template. Normally, you would want to call it like "int value = lexical_cast( myStdString );". There is, however, a problem.

How do I convert a std::string to a number?

Miscellaneous technical issues, C++ FAQ Lite
There are two easy ways to do this: you can use the <cstdio> facilities or the <iostream> library. In general, you should prefer the <iostream> library.

How do I convert a string into an internet address?

Programming UNIX Sockets in C - Frequently Asked Questions: ...
If you are reading a host's address from the command line, you may not know if you have an aaa.bbb.ccc.ddd style address, or a host.domain.com style address. What I do with these, is first try to use it as a aaa.bbb.ccc.ddd type address, and if that fails, then do a name lookup on it. Here is an example: Converts ascii text to in_addr struct. NULL is returned if the address can not be found.

How do I change a url-encoded string back to its normal human-readable characters?

REBOL Language FAQ
If what you have is a url datatype with url encoded characters you can just use TO-STRING (which is short for MAKE STRING!). If it is a string that has URL-encoded characters, see the cgidecode.r script in the script library on REBOL's website for an example. present it uses the local operating system default. For example, on Unix it's just LF. On windows it's CRLF.

Can you convert the .dmg images to a Windows-readable picture?

macalicious | frequently asked questions
This question arises from a misunderstanding from Windows users. Not their fault, as there is no reason they should know what a .dmg file is. Here's the short description: a .dmg file is not a picture, but a Disk iMaGe file. You double-click it, and it mounts on the desktop as an ejectable disk, much like that old jurassic technology, the floppy. It's merely a convenient way to transfer files over the web. As far as I know, it remains an OS X only technology.

How do I convert Unix timestamps to a Human readable format?

LANforge-FAQ - CandelaWiki
Insert a column after the Unix timestamp and enter the following formula into the first blank cell of the new column: =((A2/1000)+(-8*3600)+((365*70+19)*86400))/86400 Copy this formula down the entire column ensuring that the A2 element of the formula increases down the column. Candela Technologies, Suite A, 2026 Main Street, Ferndale, WA 98248, USA | www.candelatech.com | sales@candelatech.com | +1 360 380 1618 (PST, GMT -8)

What is an octet truss?

The R. Buckminster Fuller FAQ: Synergetics
Octetruss, to use the trademarked moniker, is an OCtahedral and TETrahedral complementary grid implemented in such a way as to form a structural truss. A truss is an engineering mechanism for dispersing loads across a relatively long span, to enable coverage of large, primarily horizontal areas with a minimum of underpinning supports (posts). Most trusses appear to be arranged to act independently of one another, whereas the members of an Octetruss are all part of the whole unit.

How do I convert a string to an int etc?

FAQ for the microsoft.public.languages.csharp newsgroup
In general, when you want to convert from one type to another, the first class to look at is System.Convert. It has a load of static methods which are likely to help you. If you're converting from a String, you could also check whether the type that you want to convert to has a Parse method or something similar - for instance, I usually use DateTime.ParseExact to convert from a String to a DateTime.

How to convert a string to a number using JavaScript?

AKAAS :: JavaScript Interview Questions and Answers | JavaSc...
You can use the parseInt() and parseFloat() methods. Notice that extra letters following a valid number are ignored, which is kinda wierd but convenient at times.

How do I convert a string to all upper or lower case?

Library Functions
Some libraries have routines strupr and strlwr or strupper and strlower, but these are not Standard or portable. It's a straightforward exercise to write upper/lower-case functions in terms of the toupper and tolower macros in <ctype.h>; see also question 13.5. (The only tricky part is that the function will either have to modify the string in-place or deal with the problem of returning a new string; see question 7.5a.

Sect. 18) How do I convert a String to an int?

Java Programmer's FAQ - Part D
There are several ways. The most straightforward is: String myString = numString.trim(); int i = Integer.parseInt(myString); long l = Long.parseLong(myString) or String myString = numString.trim(); i = Integer.parseInt(myString,myIntRadix); Note 1: There is a gotcha with parseInt - it will throw a NumberFormatException for String values in the range "80000000" to "ffffffff". You might expect it to interpret them as negative, but it does not. The values have to be "-80000000" .

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