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I want to connect a BindingSource to a list of class objects and then objects value to a ComboBox. Can ... which could be then associated with a ComboBox Question&Answers:os...

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

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reflection - Getting the size of a field in bytes with C#

I have a class, and I want to inspect its fields and report eventually how many bytes each field takes. I assume ... = a.GetSizeInBytes; // a_size should be 4 Question&Answers:os...

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

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95 views

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.net - How can I query for null values in entity framework?

I want to execute a query like this var result = from entry in table where entry.something == null select ... Makes sense actually. I will close this question. Question&Answers:os...

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

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236 views

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java - How to run .jar file by double click on Windows 7 64-bit?

Running a .jar file in a command line works fine, but i am not able to run any .jar file by double clicking on ... the JDK 7 64-bit, no success. Any idea? Question&Answers:os...

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

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audio - Playing mp3 song on python

I want to play my song (mp3) from python, can you give me a simplest command to do that? This is not ... /LOCAL/Betrayer/Metalik Klinik1-Anak Sekolah.mp3","r") Question&Answers:os...

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

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216 views

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Angular 2 http.post() is not sending the request

When I make a post request the angular 2 http is not sending this request this.http.post(this.adminUsersControllerRoute, JSON. ... me why ? Or it is a bug ? Question&Answers:os...

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

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JavaScript variable definition: Commas vs. Semicolons

What are the differences and/or advantages, if any, of using commas when declaring a group of variables rather ... a performance benefit to doing it either way? Question&Answers:os...

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

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c# - Dynamic WHERE clause in LINQ

What is the best way to assemble a dynamic WHERE clause to a LINQ statement? I have several dozen checkboxes ... c.ProductTypeName select c; return q; } Question&Answers:os...

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

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postgresql - Split comma separated column data into additional columns

I have comma separated data in a column: Column ------- a,b,c,d I want to split the comma separated data into ... ---- a b c d How can this be achieved? Question&Answers:os...

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

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javascript - ES6 variable import name in node.js?

is it possible to import something into module providing variable name while using ES6 import? I.e. I want to ... something from './utils/' + variableName; Question&Answers:os...

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

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stream - changing the delimiter for cin (c++)

I've redirected "cin" to read from a file stream cin.rdbug(inF.rdbug()) When I use the extraction operator ... api in cplusplus.com, but didn't find anything. Question&Answers:os...

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

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java - Reading UTF-8 - BOM marker

I'm reading a file through a FileReader - the file is UTF-8 decoded (with BOM) now my problem is: I read ... .separator"); } output after first line ?<style> Question&Answers:os...

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

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python - Pycharm and sys.argv arguments

I am trying to debug a script which takes command line arguments as an input. Arguments are text files in the same ... with arguments? P.S. I am on Ubuntu Question&Answers:os...

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

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96 views

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android - Unable to modify ArrayAdapter in ListView: UnsupportedOperationException

I'm trying to make a list containing names. This list should be modifiable (add, delete, sort, etc). However, ... . Would someone tell me what I did wrong? Question&Answers:os...

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

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CMake finds Boost but the imported targets not available for Boost version

I use CMake to find Boost. Boost is found, but CMake errors out with Imported targets not ... (_Boost_MISSING_DEPENDENCIES) CMakeLists.txt:7 (find_package) Question&Answers:os...

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

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regex - Parsing scientific notation sensibly?

I want to be able to write a function which receives a number in scientific notation as a string and splits out ... on VBScript and can be found on my weblog. Question&Answers:os...

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

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108 views

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How to handle iframe in Selenium WebDriver using java

<div> <iframe id="cq-cf-frame "> <iframe id="gen367"> <body spellcheck="false" id="CQrte" style="height: 255px; ... gen379). I'm able to click on the OK button. Question&Answers:os...

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

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339 views

1 answer

python - What do square brackets, "[]", mean in function/class documentation?

I am having trouble figuring out the arguments to csv.dictreader and realized I have no clue what the ... the arguments to the class instantiation. Thanks Question&Answers:os...

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

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220 views

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Android multiple email attachments using Intent

I've been working on Android program to send email with an attachment (image file, audio file, etc) using ... and got it working with multiple email attachment? Question&Answers:os...

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

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200 views

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c# - Can anonymous class implement interface?

Is it possible to have an anonymous type implement an interface? I've got a piece of code that I would like to ... approach. Is this the best way of doing this? Question&Answers:os...

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

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102 views

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Memory address of variables in Java

Please take a look at the picture below. When we create an object in java with the new keyword, we are ... ) How can I get one integer variables address? Question&Answers:os...

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

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420 views

1 answer

bash - How do I run a terminal command in a Swift script? (e.g. xcodebuild)

I want to replace my CI bash scripts with swift. I can't figure out how to invoke normal terminal command such as ls or ... ls' ls // Fails ^ ... etc .... Question&Answers:os...

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

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1.2k views

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use jQuery's find() on JSON object

Similar to brnwdrng's question, I'm looking for a way to search through a JSON-like object. supposing my ... based on some criteria without using 'each'? Question&Answers:os...

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

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186 views

1 answer

Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor level

I have an R data frame containing a factor that I want to "expand" so that for each factor level, there is ... if something exists already, I'd rather use that. Question&Answers:os...

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

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iphone - Best way to serialize an NSData into a hexadeximal string

I am looking for a nice-cocoa way to serialize an NSData object into a hexadecimal string. The idea is to serialize the ... [i]]; } free(bytes); return str; } Question&Answers:os...

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

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942 views

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wpf - The calling thread must be STA, because many UI components require this

I am using http://www.codeproject.com/KB/IP/Facebook_API.aspx I am trying to call the XAML which is created ... worker" // Perform time-consuming task... } Question&Answers: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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css - Child with max-height: 100% overflows parent

I'm trying to understand what appears to be unexpected behaviour to me: I have an element with a max- ... first example? Why is an explicit height required? Question&Answers:os...

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

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217 views

1 answer

ios - UIAlertView addSubview in iOS7

Adding some controls to UIAlertView was deprecated in iOS7 using addSubview method. As I know Apple promised to add ... but more ready for using in iOS 7. Question&Answers:os...

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

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