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windows - How to wait for a shell process to finish before executing further code in VB6

I have a small VB6 app in which I use the Shell command to execute a program. I am storing the output of ... file and not a previous state? 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# - Image.FromStream() method returns Invalid Argument exception

I am capturing images from a smart camera imager and receiving the byte array from the camera through socket ... methods worked. Kindly help. See Question&Answers more detail:os...

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

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asp.net - Top level domain from URL in C#

I am using C# and ASP.NET for this. We receive a lot of "strange" requests on our IIS 6.0 servers and I want to ... 0] and item[1]... 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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Calling properly TypeScript code from JavaScript

On our big enterprise project we faced a situation that seems not to be very well described in the articles and ... of thinking on that topic. See Question&Answers more detail:os...

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

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Delphi: How to hide ancestor constructors?

Update: gutted the question with a simpler example, that isn't answered by the originally accepted answer Given the ... to make Delphi tell 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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PHP file upload: mime or extension based verification?

When I try to process file upload, should I run verification based on file MIME type or file-extension? What ... type submitted by the browser! 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 - Bitmap too large to be uploaded into a texture

I've in drawable directory an image file with the 960x1440 size. When the app start, the image ... paddingTop="@dimen/activity_vertical_margin"> 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 - Unique IPs in a voting system

I'm creating a voting system for my PHP/MySQL website and I would like to make sure one user can only ... suggestions are more than welcome. See Question&Answers more detail:os...

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

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xml - Incrementing and checking the counter variable in XSLT

I am having little difficulty in assigning a counter variable and incrementing it and then checking for a certain value ... Any help on this ? 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 - Appending form input value to action url as path

I have a form like this: <form action="http://localhost/test"> <input type="text" name="keywords"> <input ... like: http://localhost/test/hello 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 - Fill NA in a time series only to a limited number

Is there a way we can fill NAs in a zoo or xts object with limited number of NAs forward. In other words like ... 1 } } return(result) } 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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parsing - Get parts of URL in PHP

I am just wondering what the best way of extracting "parameters" from an URL would be, using PHP. If I got the ... the user id (100) using PHP? See Question&Answers more detail:os...

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

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asp classic - ASP: request.form is not returning value?

I have following form, <form action="contact_us.asp" method="post" enctype="multipart/form-data" name="form1" id= ... tell me what's wrong 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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java - immutable class should be final?

It says in this article that: Making a class final because it is immutable is a good reason to do so. I'm ... reason for making a class final? 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 - is there a way to loop over two lists simultaneously in django?

I have two list objects of the same length with complementary data i want to render is there a way to render ... endfor %} or something similar? 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 - tm.getDeviceId() is deprecated?

I'm getting the IMEI and device Id's, so here I am getting a problem getDeviceId() is deprecated. ... (), Settings.Secure.ANDROID_ID); See Question&Answers more detail:os...

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

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arrays - Trying to solve symmetric difference using Javascript

I am trying to figure out a solution for symmetric difference using javascript that accomplishes the following objectives: accepts ... 6. 5. 4] 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 - PySpark converting a column of type 'map' to multiple columns in a dataframe

Input I have a column Parameters of type map of the form: >>> from pyspark.sql import SQLContext >>> ... : string (valueContainsNull = true) 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# - Update requires a valid UpdateCommand when passed DataRow collection with modified rows

So I had this working last week. At least, I thought I did! DataGridView Update Then I start working on the ... command builder. What do 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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apache spark - PySpark - get row number for each row in a group

Using pyspark, I'd like to be able to group a spark dataframe, sort the group, and then provide a row number. So ... 2007 2 B 1999 0 B 2015 1 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 - How does subtracting the character '0' from a char change it into an int?

This method works in C, C++ and Java. I would like to know the science behind 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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parsing - What is a good parser generator for php?

I need to parse a small 'mini language' which users can type on my site. I was wondering what the counterparts of ... are for the world of php. 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# - Check if File is Text Based

How can I test whether a file that I'm opening in C# using FileStream is a "text type" file? I would like my ... .doc or .pdf or .exe, etc. See Question&Answers more detail:os...

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

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asp.net - Page_ClientValidate is validating multiple times.

problem i have is that, the validation summary message(alert) is displayed twice. I cannot figure out the ... ValidationGroup="ContactGroup" /> See Question&Answers more detail:os...

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

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Clicking HyperLinks in a RichTextBox without holding down CTRL - WPF

I have a WPF RichTextBox with isReadOnly set to True. I would like users to be able to click on HyperLinks ... m unsure of how to proceed. See Question&Answers more detail:os...

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

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328 views

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c++ - Enumerating all available drive letters in Windows

I want to enumerate all available drive letters (which aren't already taken) in Windows using VC++. How can I do this? See Question&Answers more detail:os...

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

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279 views

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How to connect to a MS Access file (mdb) using C#?

I'm trying to connect to a mdb file and I understand that I would need Microsoft.OLEDB.JET.4. ... result code: DB_E_ERRORSINCOMMAND(0x80040E14). See Question&Answers more detail:os...

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

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282 views

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node.js - HTTP to HTTPS redirection on App Engine Flexible

I've followed the answer of this: Redirect from http to https in google cloud but it does not seem to be ... https://.com everything is fine) See Question&Answers more detail:os...

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

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