converter

I have been working on a VoIP Application in C sharp language. The purpose of the project is VoIP Call Recording. It uses g729 Codec. I can extract the voice part from RTP payload. How to convert this Byte array to .wav format? Please help me. You can try to use ffmpeg.exe and work with it via command line 来源： https://stackoverflow.com/questions/13468240/how-to-convert-g729-encoded-byte-array-to-wav-in-c

Is there a function which converts a hex string to text in R? For example: I've the hex string 1271763355662E324375203137 which should be converted to qv3Uf.2Cu 17 . Does someone know a good solution in R? Here's one way: s <- '1271763355662E324375203137' h <- sapply(seq(1, nchar(s), by=2), function(x) substr(s, x, x+1)) rawToChar(as.raw(strtoi(h, 16L))) ## [1] "\022qv3Uf.2Cu 17" And if you want, you can sub out non-printable characters as follows: gsub('[^[:print:]]+', '', rawToChar(as.raw(strtoi(h, 16L)))) ## [1] "qv3Uf.2Cu 17" 来源： https://stackoverflow.com/questions/29251934/how-to-convert

After a lot of searching and piecing together the very excellent techniques for converting result sets using the FOR XML and .nodes() commands that are around the web, I was able to create this single query (not a stored procedure) which does a reasonably good job of converting any arbitrary SQL query to a JSON array. The query will encode each data row as a single JSON object with a leading comma. The data rows are wrapped by brackets and the whole result set is then expected to be exported to a file. I'd like to see if anyone out there can see ways to improve its performance? Here's the

There are many questions to help converting specific SQL query to ActiveRecord query. Are there some assistance/guidance [online] tools to make the conversion automatically? here is the tool you are looking: http://www.scuttle.io/ 来源： https://stackoverflow.com/questions/23125261/tool-to-convert-sql-syntax-to-activerecord-query

this is what i have in my php file: $session = $m->session; $session is now: object(stdClass)[31] public 'id' => string '21112' (length=5) public 'external_id' => string '' (length=0) public 'sessiongroupid' => string '1843' (length=4) public 'eventid' => string '5588' (length=4) public 'order' => string '0' (length=1) public 'name' => string 'Ferdau Conference' (length=17) public 'description' => string 'Ferdau Conference' (length=17) public 'starttime' => string '2013-04-18 18:00:00' (length=19) public 'endtime' => string '2013-04-18 18:04:00' (length=19) public 'speaker' => string ''

using Firebase as my backend, I've got a series of strings that are latitude and longitude coordinates, how can I convert them to CLLocationCoordinate2D so that I can use them for annotations? Here is the code that gets the info from Firebase every time its updated var UpdateRef = Firebase(url:"https://ici.firebaseio.com/users") UpdateRef.observeEventType(.ChildChanged, withBlock: { (snapshot) in let MomentaryLatitude = snapshot.value["latitude"] as? String let MomentaryLongitude = snapshot.value["longitude"] as? String let ID = snapshot.value["ID"] as? String println("\(MomentaryLatitude)")

i was searching google to get any js lib which can capture the image of any website or url. i came to know that phantomjs library can do it. here i got a small code which capture and convert the github home page to png image if anyone familiar with phantomjs then please tell me what is the meaning of this line var page = require('webpage').create(); here i can give any name instead of webpage ? if i need to capture the portion of any webpage then how can i do it with the help of this library. anyone can guide me. var page = require('webpage').create(); page.open('http://github.com/', function