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php - PHPMailer attachment, doing it without a physical file

So: // Setup mail class, recipients and body $mailer->AddAttachment('/home/mywebsite/public_html/file.zip', 'file.zip ... on my server to send? See Question&Answers more detail:os...

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

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Excel error 1004 "Unable to get .... property of WorksheetFunction class" appearing inconsistently

I have a VBA function within a spreadsheet which operates on another spreadsheet that is opened in an earlier stage ... around it! Any ideas? See Question&Answers more detail:os...

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

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php - PDO error: SQLSTATE[HY000]: General error: 2031

I'm getting this annoying error and although I have an idea of why I'm getting it, I can't for the ... which I manually bind with bindValue(). See Question&Answers more detail:os...

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

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787 views

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Youtube player support fragment no longer working on Android studio 3.2 (androidx)

I just updated my Android Studio to version 3.2 and followed instructions to use androidx. I've been using ... "androidx.fragment.app.Fragment"? See Question&Answers more detail:os...

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

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c++ - Why do objects returned from bind ignore extra arguments?

Suppose I have a function that takes two arguments, void f(int x, int y); and I want to bind one of ... that would be rejected anyplace else. See Question&Answers more detail:os...

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

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sqlite - Is it possible to apply primary key on the text fields in android database

I have created a simple table that contains the name and email id's of the persons. When i am giving the create query ... rowId, null) > 0; } } 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 - App Crashes On Startup Due To java.lang.IllegalArgumentException: column '_id' does not exist

Whenever I start my app, I get a java.lang.IllegalArgumentException: column '_id' does not exist error in my LogCat. I ... ; onCreate(db); } } } 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 - Is FCM (firebase cloud messaging) Token for one device or for one account?

I want to store FCM token in my android app user's table in database when user register to the app . When i ... ? please anyone can help me?? 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 - Fastest way to sort each row in a pandas dataframe

I need to find the quickest way to sort each row in a dataframe with millions of rows and around a hundred columns. ... do I need to go cython? See Question&Answers more detail:os...

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

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html - Why does `transform` break `position: fixed`?

Actually I have found what has caused the problem. My question is now why adding transform to your html, body ... -webkit-transform BUT 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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javascript - webgl readpixels is always returning 0,0,0,0

I am trying to do picking in WebGl. I have two shapes rendered along with different texture mapped on ... do something related to framebuffer? See Question&Answers more detail:os...

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

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ios - Does App Store reject submission if NSAllowsArbitraryLoads set to YES?

The new ATS involved by iOS 9 cause lots of http related functionalities stop working. I have to add all the ... has been set to YES? See Question&Answers more detail:os...

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

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multithreading - Java volatile modifier and synchronized blocks

Does a variable that is accessed by multiple threads, but only inside synchronized blocks, need the volatile modifier? If not, 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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Java: getClass() of bounded type

I noticed something while I was derping around with generics. In the example below, doStuff1 compiles but doStuff2 ... need it anyway" approach? See Question&Answers more detail:os...

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

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php - Unset a column in a multidimensional array

I have this array $output which looks like this: Array( [0] => Array( [0] => 1a [1] => 1b [2] => 1c ) [1] => ... Array( [0] => 4a [1] => 4c ) ) See Question&Answers more detail:os...

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

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723 views

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user interface - Should I use QCoreApplication::processEvents() or QApplication::processEvents()?

I have a method which is called from both QThreads and the main thread. this method can sometimes take a long ... QThreads can freeze the GUI? See Question&Answers more detail:os...

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

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320 views

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c - Casting a pointer does not produce an lvalue. Why?

After posting one of my most controversial answers here, I dare to ask a few questions and eventually fill ... when doing pointer arithmetic. See Question&Answers more detail:os...

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

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405 views

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c - Getting max value in a __m128i vector with SSE?

I have just started using SSE and I am confused how to get the maximum integer value (max) of a __m128i ... looking into the header file itself? See Question&Answers more detail:os...

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

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c - Why does wait() set status to 255 instead of the -1 exit status of the forked process?

I'm trying to return an integer value from a child process. However, if I use exit(1) I get 256 as the ... ). Is it supposed to be unsigned? See Question&Answers more detail:os...

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

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How to change the VB.NET language version in Visual Studio 2015

In Visual Studio 2015 it is possible to select which version of the C# language is being coded in, as ... the target .NET Framework version. See Question&Answers more detail:os...

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

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html - Cross-browser embedded font in svg image

The title is ambiguous; let me clarify: I have an svg image which includes a text I want rendered with a custom ... font inside an svg image.) See Question&Answers more detail:os...

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

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263 views

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c++ - Sorting std::strings with numbers in them?

I'm currently sorting by the std::string < operator. The problem with it is that: 30 < 9. The 30 shows up ... I'm using utf 8 encoding. Thanks See Question&Answers more detail:os...

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

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c++ - Using SFINAE to check for global operator<<?

I want to have several overloaded, global to_string() functions that take some type T and convert it to its string ... e.g., Boost. Thanks! See Question&Answers more detail:os...

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

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javascript - How to destructure option argument with all default values in ES6?

I use ES6 features with babel compiler. I have a function which takes option object as an argument: function ... of undefined Is it 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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Change background popupMenu in Android

I tried to change background of popupmenu, but my implementation does not work. This is my code: <style ... android:theme="@style/MyHoloLight"> See Question&Answers more detail:os...

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

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530 views

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uipickerview - Xcode 8 / Swift 3 : Simple UIPicker code not working

I have protocols: class ViewController: UIViewController, UIPickerViewDelegate, UIPickerViewDataSource { I have ... UIPickerViewDataSource See Question&Answers more detail:os...

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

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java - Multiplication of two ints overflowing to result in a negative number

Consider this snippet from the Java language specification. class Test { public static void main(String[] args) ... result become -727379968? See Question&Answers more detail:os...

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

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201 views

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python - 'is' operator behaves unexpectedly with floats

I came across a confusing problem when unit testing a module. The module is actually casting values and I want to ... == is working as expected. See Question&Answers more detail:os...

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

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