record

问题 This question already has answers here : Android Recording Incoming and Outgoing Calls (3 answers) Closed 6 years ago . I want to record incoming and outgoing calls in Android app, how can it be possible? What approach I have to follow? As I guessed I have to use TelephonyManager for that. 回答1: Yes you have to use Telephone Manager class for getting outgoing and incoming calls. Try this link How to Record incoming and outgoing voice call in android Hope it will help you. 来源： https:/

问题 So have gotten to record in my F# journey and at first they seem rather dangerous. At first this seemed clever: type Card = { Name : string; Phone : string; Ok : bool } let cardA = { Name = "Alf" ; Phone = "(206) 555-0157" ; Ok = false } The idea that the cardA is patten matched with Card. Not to mention the simplified pattern matching here: let withTrueOk = list |> Seq.filter (function | { Ok = true} -> true | _ -> false ) Problem is: type Card = { Name : string; Phone : string; Ok : bool }

问题 I to need modify the values {place} and {other_place} in the op record. #op{ action = [walk, from, {place}, to, {other_place}], preconds = [[at, {place}, me], [on, floor, me], [other_place, {place}, {other_place}]], add_list = [[at, {other_place}, me]], del_list = [[at, {place}, me]] } But erlang don´t allow modifying variables. Is there a data type for that? 回答1: erlang doesn't let you modify variables it is true. But nothing prevents you from making modified copies of a variable. Given your

问题 Could somebody tell me where would the execution log be stored when using the process record/replay feature in gdb? Thanks Raj Update #include <stdio.h> int main (int argc, char const *argv[]) { printf("Hello World\n"); printf("How are you?\n"); char *c = NULL; printf("%c\n", *c); return 0; } The code above seg faults when I dereference c . I want to use this example to figure out how I can use reverse-next/reverse-continue to go back after a segfault. I am able to do reverse-next and reach

问题 Given : data MyRecord a = MyRecord{list :: [a], other_fields :: Char, …} I am trying to write a function which puts a new a on list and returns a new MyRecord : pushOntoList :: a -> MyRecord -> MyRecord Question : Is there a way to write pushOntoList is such a way that it does not depend on what is in the rest of the record, but simply gives it back unmodified? Another way to ask this is can you write pushOntoList without seeing the rest of the MyRecord definition? 回答1: Yes, very easily using

问题 I'm trying to develop an aplication like iRig for android, so the first step is to capture the mic input and play it at the same time. I have it, but the problem is that i get some latency that makes this unusable, and if I start processing the buffer i'm afraid it will get totally unusable. I use audiorecord and audiotrack like this: new Thread(new Runnable() { public void run() { while(mRunning){ mRecorder.read(mBuffer, 0, mBufferSize); //Todo: Apply filters here into the buffer and then

问题 In a Play application I'm working on, I'm trying to improve our system for processing flags, some of which are meant to be persistent options as a user navigates our app via links. I'd like to use Shapeless to map from a definition of the option to its value, and also to synthesize new query parameter from only the ones marked to be propagated. I also want to be able to take advantage of Shapeless's Record functionality to get strongly typed dereferencing of the parameter values.

问题 I'm trying to use pattern matching to write a calculator application. Two major types defined as below: type key = Plus | Minus | Multi | Div | Equals | Digit of int;; type state = { lcd: int; (* last computation done *) lka: key; (* last key actived *) loa: key; (* last operation actived *) vpr: int (* value print on the screen *) };; let print_state s = match s with state (a,_,_,d) -> print_int a; //Here has the compile error print_newline(); print_int d; print_newline();; However, if I

问题 I have a .csv file named fileOne.csv that contains many unnecessary strings and records. I want to delete unnecessary records / rows and strings based on multiple condition / criteria using a Python or R script and save the records into a new .csv file named resultFile.csv . What I want to do is as follows: Delete the first column. Split column BB into two column named as a_id , and c_id . Separate the value by _ (underscore) and left side will go to a_id , and right side will go to c_id .

问题 I've a Gridview control using an ODS(ObjectDataSource) to fetch data. For the best performance and efficiency, I've turned-off the view state of Gridview (i.e. EnableViewstate = "false". And I've also enabled caching in the associated Objectdatasource. This eliminates as much as 50-60% performance optimization because it eliminates the DB round-trip .. courtesy ODS Caching. So, after this I got stuck into the famous "ODS sorting" issue but I managed to invent a tricky solution for it and its