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android - Require a password to uninstall/remove application

I would like to require that a user type a password before being allowed to uninstall/remove my application ... I implement this functionality? See Question&Answers more detail:os...

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c# - Read large txt file multithreaded?

I have large txt file with 100000 lines. I need to start n-count of threads and give every thread ... receive OutofMemory exception. Any ideas? See Question&Answers more detail:os...

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c++ - all combinations of k elements out of n

Can somebody provide me a link or pseudocode of a function for finding all combinations of k elements out of n? ... numbers of size k. Thanks See Question&Answers more detail:os...

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String to enum in C++

Is there a way to associate a string from a text file with an enum value? The problem is: I have a few ... t need to be the simplest approach. See Question&Answers more detail:os...

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android - How to pop fragment off backstack

I have an activity A, which calls fragment Bf, which calls fragment Cf. I want Bf to be placed in the ... on the backstack using the emulator. See Question&Answers more detail:os...

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asp.net mvc - MVC controller : get JSON object from HTTP body?

We have an MVC (MVC4) application which at times might get a JSON events POSTed from a 3rd party to our specific ... 123, "fail_count": 3 }}} See Question&Answers more detail:os...

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Android ListView setSelection() does not seem to work

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java - How is String in switch statement more efficient than corresponding if-else statement?

Java documentation says The Java compiler generates generally more efficient bytecode from switch statements that use ... ? better performance? See Question&Answers more detail:os...

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How to force SSL for Kubernetes Ingress on GKE

Is there a way to force an SSL upgrade for incoming connections on the ingress load-balancer? Or if that is not ... . Thanks a lot in advance! See Question&Answers more detail:os...

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Android Studio: Unable to start the daemon process

I'm facing the below error when I'm trying to import a gradle project in Android Studio. Unable to start the ... SO. But nothing seems to work. See Question&Answers more detail:os...

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javascript - keypress and keyup - why is the keyCode different?

Related: JavaScript KeyCode vs CharCode Here is some code you can try at home or in a jsfiddle: el. ... couldn't find an explanation. See Question&Answers more detail:os...

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What is an instance variable in Java?

My assignment is to make a program with an instance variable, a string, that should be input by the user. But I ... create one? What does it do? See Question&Answers more detail:os...

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Sending variables to the layout in Zend Framework

In my project I have a number of dynamic elements that are consistently on every page. I have put these in ... a better way around the problem? See Question&Answers more detail:os...

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c++ - OpenMP set_num_threads() is not working

I am writing a parallel program using OpenMP in C++. I want to control the number of threads in the ... to control the number of threads? See Question&Answers more detail:os...

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c - Parse string into argv/argc

Is there a way in C to parse a piece of text and obtain values for argv and argc, as if the text had ... don't care about quoting of arguments. See Question&Answers more detail:os...

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python - Django 1.8 sending mail using gmail SMTP

I was trying send a mail using smtp.gmail.com in django 1.8 My settings.py contains: EMAIL_BACKEND = ' ... to send mail using Gmail. See Question&Answers more detail:os...

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vb6 - Has anyone had success with Visual Studio 6 on Windows 7?

VS6 popped off a series of errors before bombing out completely during install on Windows 7. I specifically need ... . Anyone having any luck? See Question&Answers more detail:os...

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javascript - What is the difference between setTimeout(fn, 0) and setTimeout(fn, 1)?

The jQuery source features uses of setTimeout with both 0 and 1 as second argument. I'm under the impression ... a difference between the two? See Question&Answers more detail:os...

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android - Search contact by phone number

In my app, user writes a phone number, and I want to find the contact name with that phone number? I usually ... can be very slow this way... See Question&Answers more detail:os...

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How to strip all non alphanumeric characters from a string in c++?

I am writing a piece of software, and It require me to handle data I get from a webpage with libcurl. When I ... easy way to do this? Thanks. See Question&Answers more detail:os...

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PHP: How to resolve a relative url

I need a function that given a relative URL and a base returns an absolute URL. I've searched and found many ... c#, lets get a PHP solution. See Question&Answers more detail:os...

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c - Can popen() make bidirectional pipes like pipe() + fork()?

I'm implementing piping on a simulated file system in C++ (with mostly C). It needs to run commands in the ... 'r+' for reading and writing. See Question&Answers more detail:os...

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ios - Making a button persistent across all view controllers

I want to have a persistent button in the bottom right corner of my app. During all view transitions, the ... hacky solution -- any thoughts? See Question&Answers more detail:os...

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Turn off display in iPhone OS (iOS)

is there a way to programmatically turn off the display in iOS? Not just turning brightness down, but off like ... is for personal use. Thanks! See Question&Answers more detail:os...

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python - Fastest way to populate QTableView from Pandas data frame

I'm very new to PyQt and I am struggling to populate a QTableView control. My code is the following: def ... data frame? Thanks in advance. See Question&Answers more detail:os...

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Is there a stopwatch in Java?

Is there a stopwatch in Java? On google I only find code of stopwatches which don't work - they always return 0 ... ); } return elapsed; } } See Question&Answers more detail:os...

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sql - MySQL Error 1264: out of range value for column

As I SET cust_fax in a table in MySQL like this: cust_fax integer(10) NOT NULL, and then I insert value ... ? Any answer will be appreciated! See Question&Answers more detail:os...

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.net - C# ListView Column Width Auto

How can I set the column width of a c# winforms listview control to auto. Something like width = -1 / -2 ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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