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Using vim's f command over multiple lines

Anyone knows how to quickly find the next occurrence of a character (like the f command) but multi-line? I.e. ... of some character in a file? See Question&Answers more detail:os...

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

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android - SearchView getActionView returning null

This was working a few days ago, but suddenly it stopped. I only want to use the action bar search ... .onCreateOptionsMenu(menu, inflater); } See Question&Answers more detail:os...

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

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182 views

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c++ - What is the scope of a 'while' and 'for' loop?

What is the scope of a while and for loop? For example, if I declared an object within the loop, what is its behavior and why? See Question&Answers more detail:os...

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

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540 views

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linq - C# Select elements in list as List of string

In C# i need to get all values of a particular property from an object list into list of string List<Employee> ... the result as list of string See Question&Answers more detail:os...

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

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283 views

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Scala String vs java.lang.String - type inference

In the REPL, I define a function. Note the return type. scala> def next(i: List[String]) = i.map {"0" ... I safely not specify the return type? See Question&Answers more detail:os...

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

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743 views

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datetime - Java/MongoDB query by date

I stored a value as a java.util.Date() in my collection, but when I query to get values between two ... possible. What am I missing here? See Question&Answers more detail:os...

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

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R: How to run some code on load of package?

I am learning to build a package for R. Now to set it up I need to run some code when the package is ... run say rnorm(10) at package load? See Question&Answers more detail:os...

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

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python - pandas replace multiple values one column

In a column risklevels I want to replace Small with 1, Medium with 5 and High with 15. I tried: dfm.replace( ... were replaced. What is wrong ? See Question&Answers more detail:os...

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

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eclipse - Android Sdk tools Revision 22 issue?

I just updated the SDK tools in Eclipse to revision 22, and since then I cannot build my project. ... Android platform the soonest possible? See Question&Answers more detail:os...

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

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android - onServiceConnected never called after bindService method

I have a particular situation: a service started by a broadcast receiver starts an activity. I want to make it ... a service. Thanks in advance See Question&Answers more detail:os...

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

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249 views

1 answer

What is the PHP shorthand for: print var if var exist

We've all encountered it before, needing to print a variable in an input field but not knowing for sure ... writing the printvar() function. See Question&Answers more detail:os...

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

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259 views

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How to install pyaudio on mac using Python 3?

I first tried: pip install pyaudio but I was told that -bash: pip: command not found Then I tried: pip3 install ... installed So what can I do? See Question&Answers more detail:os...

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

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338 views

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PHP post_max_size vs upload_max_filesize, what is the difference?

When trying to upload a PDF file that was 15mb through an admin area created for doing so, nothing happened. ... = 20M post_max_size = 60M See Question&Answers more detail:os...

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

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608 views

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php - Install FFMPEG on XAMPP

I have installed xampp 1.7.4 with php version 5.3.5 on windows xp. How to install ffmpeg in xampp with php 5.3.5 on windows xp? See Question&Answers more detail:os...

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

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319 views

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java - How can I crop a bitmap for ImageView?

I know this should be simple , but android:scaleType="centerCrop" doesn't crop Image I got image 1950 pixels wide ... me an advice with a method See Question&Answers more detail:os...

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

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638 views

1 answer

vb.net - Is VB really case insensitive?

I'm not trying to start an argument here, but for whatever reason, it's typically stated that Visual Basic is ... what I could do with code? See Question&Answers more detail:os...

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

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378 views

1 answer

html - Font awesome is not showing icon

I am using Font Awesome and do not wish to add CSS with HTTP. I downloaded Font Awesome and included it ... instead of the bordered square box. See Question&Answers more detail:os...

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

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345 views

1 answer

java - What's the difference between failure and error in JUnit?

I'm running JUnit tests on a large code base, and I've been realizing that sometimes I get "Errors" while ... Failures". What's the difference? See Question&Answers more detail:os...

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

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1.0k views

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c# - Could not load file or assembly 'System.ValueTuple'

I've got a VS2017 project that compiles to a DLL which is then called by an EXE written by someone else ... hoping it includes this assembly? See Question&Answers more detail:os...

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

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306 views

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javascript - JSLint error: Move all 'var' declarations to the top of the function

JSLint site updated, and I cannot check JS scripts anymore. For me, this warning is not critical, and I don't ... better than http://jslint.com/ See Question&Answers more detail:os...

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

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1.5k views

1 answer

node.js - GraphQL Expected Iterable, but did not find one for field xxx.yyy

I'm currently trying GraphQL with NodeJS and I don't know, why this error occurs with the following query: { ... (the console.log is called). See Question&Answers more detail:os...

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

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1.1k views

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c# - cannot implicitly convert type 'bool?' to 'bool'. An explicit conversion exists (are you missing a cast?)

Error : cannot implicitly convert type 'bool?' to 'bool'. An explicit conversion exists (are you missing a cast?) ... to cast this bool to bool? See Question&Answers more detail:os...

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

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417 views

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c# - Why should a .NET struct be less than 16 bytes?

I've read in a few places now that the maximum instance size for a struct should be 16 bytes. But I cannot ... answer about why it is 16 bytes? See Question&Answers more detail:os...

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

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348 views

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c++ - What's the point of a final virtual function?

Wikipedia has the following example on the C++11 final modifier: struct Base2 { virtual void f() final; }; struct ... or is there more to it? See Question&Answers more detail:os...

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

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550 views

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file - Visual Studio does not let me drag drop items into it?

Using Visual studio 2010 I got problems when double-clicking, for example a config file (*.config). Visual ... installing Visual Studio 2012. See Question&Answers more detail:os...

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

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851 views

1 answer

php - 'Malformed UTF-8 characters, possibly incorrectly encoded' in Laravel

I'm using Laravel (a PHP framework) to write a service for mobile and have the data returned in JSON format. In ... working. How can I fix it? See Question&Answers more detail:os...

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

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385 views

1 answer

python - Platform-independent file paths?

How can I use a file inside my app folder in Python? Platform independent of course... something similar to ... {0%/*} LIBDIR=$mypath/modules See Question&Answers more detail:os...

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

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183 views

1 answer

SQL ORDER BY date problem

Can you please help me in solving this problem. I am trying to order the results of an SQL query by date, ... . Your help is much appreciated. See Question&Answers more detail:os...

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

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