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I'm trying to download a file from google drive in a script, and I'm having a little trouble doing so. The ... working. I hope someone here can help with this! Question&Answers:os...

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arrays - How to iterate a loop with index and element in Swift

Is there a function that I can use to iterate over an array and have both index and element, like Python's enumerate? for index, element in enumerate(list): ... Question&Answers:os...

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java - Making a mocked method return an argument that was passed to it

Consider a method signature like: public String myFunction(String abc); Can Mockito help return the same string that the method received? Question&Answers:os...

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Signed versus Unsigned Integers

Am I correct to say the difference between a signed and unsigned integer is: Unsigned can hold a ... positive and negative numbers. Any other differences? Question&Answers:os...

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How do I add an existing directory tree to a project in Visual Studio?

The issue is simple really. Instead of creating folders in Visual Studio, I create a directory structure for ... each and every folder through Visual Studio? Question&Answers:os...

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android - Actionbar notification count icon (badge) like Google has

Is there a android standard badge or method to show action bar notification icon with a count like on Google examples? ... it? I'm new to android, please help. Question&Answers:os...

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class - Is it possible to make abstract classes in Python?

How can I make a class or method abstract in Python? I tried redefining __new__() like so: class F: def ... there a better way to define an abstract class? Question&Answers:os...

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bash - How to place the ~/.composer/vendor/bin directory in your PATH?

I'm on Ubuntu 14.04 and I've been trying all possible methods to install Laravel to no avail. Error ... I'm really frustrated and would appreciate any help. Question&Answers:os...

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geolocation - Given the lat/long coordinates, how can we find out the city/country?

For example if we have these set of coordinates "latitude": 48.858844300000001, "longitude": 2.2943506, How can we find out the city/country? Question&Answers:os...

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shell - How can I suppress all output from a command using Bash?

I have a Bash script that runs a program with parameters. That program outputs some status (doing this, doing ... for something like Windows' "echo off". Question&Answers:os...

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Differences between C++ string == and compare()?

I just read some recommendations on using std::string s = get_string(); std::string t = another_string(); if( ... a string is the same value as another string. Question&Answers:os...

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android - AlarmManager fires alarms at wrong time

I managed everything all right to create a notification service used to fire a notification as a result of an alarm. ... I haven't managed to find the problem. Question&Answers:os...

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c# - Is there a reason Image.FromFile throws an OutOfMemoryException for an invalid image format?

I am writing code that catches this OutOfMemoryException and throws a new, more intuitive exception: /// ... intentionally being thrown for a particular reason? Question&Answers:os...

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python - Pandas DENSE RANK

I'm dealing with pandas dataframe and have a frame like this: Year Value 2012 10 2013 20 2013 25 2014 30 I want ... 30 3 How can it be done in pandas? Thanks! Question&Answers:os...

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powershell - Unable to Pause or Sleep after Select-Object

In some cases, if I try to pause or sleep after a Select-Object command, the pause/sleep occurs before the command. ... on here? Is this a bug or a feature? Question&Answers:os...

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php - Ignore html tags in preg_replace

How do I ignore html tags in this preg_replace. I have a foreach function for a search, so if someone searches for " ... ">$1</span>",$str); Thanks in advance! Question&Answers:os...

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vba - VB6 pass by value and pass by reference

I am struggling to understand pass by value and pass by reference in VB6. I understand these concepts fully in ... it does not explain the reasoning behind it. Question&Answers:os...

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php - Simple Postgresql Statement - column name does not exists

I've been pulling my hair out. I have a very simple postgre database, one specific table has a column named lName ( ... Why is it saying the column is "Smith"? Question&Answers:os...

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java - Why does the first panel added to a frame disappear?

Below is an example of adding two panels to a frame. Only one panel (the 2nd, red panel) appears ... ::new; SwingUtilities.invokeLater(r); } } Question&Answers:os...

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Prolog - count repetitions in list

I'm trying to look through a list and count the number of times a given word appears. I've got this so far: ... - 2)]. I'm completely stuck, any suggestions? Question&Answers:os...

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python - How to scroll the background surface in PyGame?

I am trying to set up scrolling in my pyGame-based random map generator. However, I'm having trouble ... ) Initial MCVE image MCVE Display After Scrolling: Question&Answers:os...

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performance - When and why are database joins expensive?

I'm doing some research into databases and I'm looking at some limitations of relational DBs. I'm getting ... like BigTable and SimpleDB. See this question. Question&Answers:os...

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asynchronous and non-blocking calls? also between blocking and synchronous

What is the difference between asynchronous and non-blocking calls? Also between blocking and synchronous calls (with examples please)? Question&Answers:os...

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javascript - Turning off eslint rule for a specific line

In order to turn off linting rule for a particular line in JSHint we use the following rule: /* jshint ... locate the equivalent of the above for eslint. Question&Answers:os...

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What does %~d0 mean in a Windows batch file?

I'm looking at a batch file which defines the following variables: set _SCRIPT_DRIVE=%~d0 set _SCRIPT_PATH=%~ ... there any other similar shortcuts I could use? Question&Answers:os...

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image processing - Face recognition Library

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Question&Answers:os...

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

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optimization - Most efficient way to increment a Map value in Java

I hope this question is not considered too basic for this forum, but we'll see. I'm wondering how to refactor ... a test of several of the answers. See below. Question&Answers:os...

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html - Sound effects in JavaScript / HTML5

I'm using HTML5 to program games; the obstacle I've run into now is how to play sound effects. The specific ... don't play anything, and some throw exceptions. Question&Answers:os...

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

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