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objective c - Responding to touchesBegan in UIPickerView instead of UIView

I have a UIPickerView that gets faded out to 20% alpha when not in use. I want the user to be able to touch the ... can't seem to work it out. See Question&Answers more detail:os...

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

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cors - Why does a cross-origin HEAD request need a preflight check?

I was reading the spec on CORS requests, and I found this about preflight requests: These are requests to a non ... ? What is special about GET? 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 - GPS Time Representation library

I am looking for a Java library that handles conversion to/from GPS Time. GPS Time has an epoch of 6 January 1980 ... there a way to extend 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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Javascript function post and call php script

In html I have several buttons which are automatically made for each object in the database with a particular ... orderid to the phpscript. See Question&Answers more detail:os...

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

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floating point - Precision in C floats

Generally we say that a float has precision of 6 digits after the decimal point. But if we store a large ... 6 digits after the decimal point? 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++ - C++11 "overloaded lambda" with variadic template and variable capture

I'm investigating a C++11 idiom which might be called "overloaded lambda": http://cpptruths.blogspot.com/2014/05/fun-with ... ); f(argv[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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c++ - ostream chaining, output order

I have a function that takes an ostream reference as an argument, writes some data to the stream, and then ... also chain with operator<<? See Question&Answers more detail:os...

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

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winapi - How do I detect the DLLs required by an application?

In a nutshell: I want to do the same thing "Dependency Walker" does. Is there any Win32 API function ... file containing the required 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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python - stdout to tkinter GUI

How can I redirect stdout data to a tkinter Text widget? 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 - Exception in thread "main" java.io.FileNotFoundException: Error

I am using Eclipse to compile and run my java codes. Here is Error I am getting. Exception in thread "main" ... in same folder in my project. 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 - Android JSON parsing of multiple JSONObjects inside JSONObject

I have a JSON string coming from the server and it looks like this: { "categories": { "0": { "term_id": ... an example please share it with 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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Javascript Event Handler for Print

I am trying to alter style at print-time: Is there an event in javascript that you can listen for for when file> ... sheets, how do you do that? See Question&Answers more detail:os...

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

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dos - Print integer to console in x86 assembly

When I add two values in 16 bit assembly, what is the best way to print the result to console? At the ... ax value after addition into ASCII. 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 - Access struct members as if they are a single array?

I have two structures, with values that should compute a pondered average, like this simplified version: typedef ... member? Thanks, Beco See Question&Answers more detail:os...

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

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winforms - Close button for TabPages of Right To Left TabControl c#

I want to add a close button to TabPages of a TabControl. I try this code and it works fine with a ... a way that accepts RightToLeft property? 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++ - Resetting the State of a Stream

I have a question which is slightly similar to this question on stackoverflow std::cin.clear() fails to restore input ... ; } } return 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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Angular 2 typescript invoke javascript function

Is there a correct way to invoke a JavaScript function from a component in Angular 2 (TypeScript) ? Here is my ... .documentOnReady.init(); } } 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 - How can I disable clear of clipboard on exit of PyQt application?

I have a simple PyQt4 application (see the code below) that reveals a problem: if I select the text from a ... ) edit.show() app.exec_() See Question&Answers more detail:os...

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

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sql server - Sort Bullets in Database

I have a column [datatype:varchar(50)] in database (SQL Server 2008) having Values as shown below: 1 2 1.1. ... . Please help me in this regard. 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 - Performance of zeros function in Numpy

I just noticed that the zeros function of numpy has a strange behavior : %timeit np.zeros((1000, 1000)) 1.06 ms ... (Python 3.5, numpy 1.11) See Question&Answers more detail:os...

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

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console application - How to handle key press events in C++

I am writing a custom console program. And I want to make it look like an actual one. So I want to bind ... included in the standard C++library? See Question&Answers more detail:os...

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

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py2exe - making exe file from python that uses command line arguments

I want to create an exe from a python script that uses command line arguments (argv) From what I've ... the accepted answer is perfectly correct See Question&Answers more detail:os...

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

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766 views

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c# - ASP.NET ODBC Query with parameters

Please help me, I don't know what can be wrong with the following code: OdbcConnection conn = new ... using parameters. Thank you. See Question&Answers more detail:os...

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

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apache spark - How to control preferred locations of RDD partitions?

Is there a way to set the preferred locations of RDD partitions manually? I want to make sure certain ... to modify the execution node. 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 - Any alternative to calling getGraphics() which is returning null

Frequently when I call getGraphics() it returns null, even if I set the xxx.getGraphics(); xxx to be ... instead of using getGraphics()?? See Question&Answers more detail:os...

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

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685 views

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vbscript - How to find the window Title of Active(foreground) window using Window Script Host

I want to find the title of the window which is currently active(having focus) using Window Script Host(WSH) ... . Any help is 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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331 views

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windows - ERRORLEVEL vs %ERRORLEVEL% vs exclamation mark ERRORLEVEL exclamation mark

I think i have a basic understanding of ERRORLEVEL vs %ERRORLEVEL% but !ERRORLEVEL! confuses me. I'm making ... with bad exit codes. See Question&Answers more detail:os...

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

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351 views

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Are alternate nested styles possible in CSS?

I'm doing a little experiment, trying to alternate background colours for nested divs. This is what I intend to ... for a pure CSS solution. See Question&Answers more detail:os...

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

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