OStack Q&A-Knowledge Sharing Community

0 votes

776 views

1 answer

itextsharp - Invalidpdfexception pdf header signature not found

I have some code that reads pdf files. The code fails at the line : iTextSharp.text.pdf.PRTokeniser. ... the pdf despite this problem? See Question&Answers more detail:os...

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

0 votes

485 views

1 answer

ado.net - How to map Table per Type (TPT) inheritance in Entity designer?

I have created a good amount of tables in my database, here are the problem ones: Table Name -Item ItemID - PK ... any ideas how to solve this? See Question&Answers more detail:os...

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

0 votes

894 views

1 answer

vba - Can I Get the Source Range Of Excel Clipboard Data?

If the Clipboard contains an Excel Worksheet Range, you can access that Range's Data with the DataObject ... Preferably using Excel 2003 VBA See Question&Answers more detail:os...

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

0 votes

489 views

1 answer

Find files in Clearcase view newer than a specific date?

I've got to upload my changed files for code review, but I have the following issue: I need to find all ... check-ins since the last upload. See Question&Answers more detail:os...

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

0 votes

731 views

1 answer

Android JSon error "Expected BEGIN_OBJECT but was BEGIN_ARRAY at line 1 column 2"

I am getting JSon data from a web service, the sample data is given below: [ { "SectionId": 1, " ... was BEGIN_ARRAY at line 1 column 2 See Question&Answers more detail:os...

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

0 votes

603 views

1 answer

r - XPath and namespace specification for XML documents with an explicit default namespace

I'm struggling to get the correct combination of an XPath expression and the namespace specification as required by ... ) [1] "XMLNodeSet" See Question&Answers more detail:os...

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

0 votes

403 views

1 answer

javascript - Drag & Drop with Protractor by Repeater

There are a few questions similar to this one & and I have read them all. However I still can't get the ... work? Am I doing something wrong? See Question&Answers more detail:os...

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

0 votes

553 views

1 answer

javascript - How to invoke firebase Schedule functions locally using pubsub emulator

I am working on cloud functions especially schedule functions. I need to trigger a function periodically each 5 minutes, ... ") return null; }) See Question&Answers more detail:os...

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

0 votes

467 views

1 answer

How to display binary images into a gridview in ASP.NET using C#?

I want to display binary images into a gridview named 'gvExistedCharacter'. I did research about it and many of ... , which was not supplied." See Question&Answers more detail:os...

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

0 votes

456 views

1 answer

Data encoding when submitting a PDF form using AcroForm technology

When I create a PDF form (for instance using Acrobat) that contains text fields in AcroForm format (PDF ... of which answered my questions. See Question&Answers more detail:os...

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

0 votes

615 views

1 answer

How to handle file download popup using Selenium WebDriver?

I have written a code to download an excel file, it is working, but it stops as soon as the popup appears. ... id("edit-submit")).click(); See Question&Answers more detail:os...

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

0 votes

651 views

1 answer

algorithm - Sign of a symbolic algebraic expression

Is there any algorithm that can find the sign of an arbitrary symbolic algebraic expression given in a "Tree - Form"? I ... sign(sqrt(2)-1) = ? See Question&Answers more detail:os...

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

0 votes

336 views

1 answer

java - Looking for a capturing impl of HttpServletResponseWrapper

The JavaEE API comes with the HttpServletResponseWrapper which, to quote the javadoc, "provides a convenient implementation ... off the shelf. See Question&Answers more detail:os...

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

0 votes

794 views

1 answer

Javascript/jQuery onclick not working

i made a test.html document to test a script. Somehow it is not working and i can't get why nothing is happening. ... </div> </body> </html> See Question&Answers more detail:os...

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

0 votes

920 views

1 answer

performance - Gif Animated Files in C# have Lower framerates than they should

ive got a full screen loading page after my software's done running,which includes a preloader gif file .... ... (its within a winform project) See Question&Answers more detail:os...

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

0 votes

413 views

1 answer

How to flatten a hetrogenous list of list into a single list in python?

I have a list of objects where objects can be lists or scalars. I want an flattened list with only ... Flattening a shallow list in Python See Question&Answers more detail:os...

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

0 votes

683 views

1 answer

c - How to properly compare command-line arguments?

I am trying to write a C code which takes arguments in main; thus when I write some strings in cmd, the program ... "OMG!!" Which part is wrong? See Question&Answers more detail:os...

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

0 votes

700 views

1 answer

sql - Parallel unnest() and sort order in PostgreSQL

I understand that using SELECT unnest(ARRAY[5,3,9]) as id without an ORDER BY clause, the order of the result ... I am using PostgreSQL 9.3.3. See Question&Answers more detail:os...

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

0 votes

592 views

1 answer

c# - How can I get all controls from a Form Including controls in any container?

I need, for example, a way to disable all buttons in a form or validate all textboxes' data. Any ideas? Thanks in advance! See Question&Answers more detail:os...

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

0 votes

823 views

1 answer

c# - Use coroutine inside a non MonoBehaviour class

How can you pass a Monobehaviour inside an instance of a non Monobehaviour class? I found this link where TonyLi ... to stop the coroutine } } See Question&Answers more detail:os...

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

0 votes

643 views

1 answer

closures - dynamically call local function in javascript

there are plenty of similar questions out there about calling functions by name dynamically. However, I can't ... advise is greatly appreciated. See Question&Answers more detail:os...

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

0 votes

577 views

1 answer

java - Locking mechanism of Mifare Classic 1K

The procedure of Mifare Classic 1K is Polling for tags Authenticate those tags If authentication succeded then read/ ... from a specific sector? See Question&Answers more detail:os...

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

0 votes

453 views

1 answer

r - How to sort all dataframes in a list of dataframes on the same column?

I have a list of dataframes dataframes_list. For an example, I put the dput(dataframes_list) at the bottom. I want ... class = "data.frame")) See Question&Answers more detail:os...

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

0 votes

681 views

1 answer

Get the drive letter of USB drive in PowerShell

I've seen articles in C# and some other languages that explain how to achieve what I'm looking for but I don' ... How to find USB drive letter? See Question&Answers more detail:os...

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

0 votes

506 views

1 answer

python - How to remove gaps between *images* in matplotlib?

Inspired by this question, I've been trying to get images plotted without gaps. In my toy example I have four ... how to get those gaps away? See Question&Answers more detail:os...

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

0 votes

538 views

1 answer

android - How to Handle backPress with Fragment

i have Fragment Activity With contatin navigation drawer.after clicking navigation drawer item it open a Fragment 1, ... go back Fragment 1. See Question&Answers more detail:os...

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

0 votes

502 views

1 answer

android - RecyclerView﹕ No adapter attached; skipping layout

I have been reading the different answers here on stackoverflow and on this blog post and tried to implement their ... .imageView); } } } See Question&Answers more detail:os...

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

0 votes

780 views

1 answer

excel - VBA: Else without If Error

I'm trying to run the following code, but I keep getting the Else without If Error in the first sub. The ... Nothing Set FSO = Nothing End Sub See Question&Answers more detail:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags