OStack Q&A-Knowledge Sharing Community

0 votes

243 views

1 answer

I need to convert a view to a bitmap to preview my view and to save it as an image. I tried using the following code, ... // } } catch (IOException e) { // } } Question&Answers:os...

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

0 votes

374 views

1 answer

python - How to return 0 with divide by zero

I'm trying to perform an element wise divide in python, but if a zero is encountered, I need the quotient ... setting my own divide by zero error handling? Question&Answers:os...

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

0 votes

352 views

1 answer

scala - How do I skip a header from CSV files in Spark?

Suppose I give three files paths to a Spark context to read and each file has a schema in the first row. How ... , how can we skip header lines from this rdd? Question&Answers:os...

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

0 votes

428 views

1 answer

shell - How do I escape the wildcard/asterisk character in bash?

For example: me$ FOO="BAR * BAR" me$ echo $FOO BAR file1 file2 file3 file4 BAR and using the escape character: me$ FOO ... . How do I get the output BAR * BAR? Question&Answers:os...

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

0 votes

503 views

1 answer

c++ - How can I initialize base class member variables in derived class constructor?

Why can't I do this? class A { public: int a, b; }; class B : public A { B() : A(), a(0), b(0) { } }; Question&Answers:os...

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

0 votes

123 views

1 answer

c++ - How do I combine hash values in C++0x?

C++0x adds hash<...>(...). I could not find a hash_combine function though, as presented in boost. ... something like this? Perhaps, using C++0x xor_combine? Question&Answers:os...

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

0 votes

78 views

1 answer

c# - Change system date programmatically

How can I change the local system's date & time programmatically with C#? Question&Answers:os...

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

0 votes

585 views

1 answer

macos - Command line command to auto-kill a command after a certain amount of time

I'd like to automatically kill a command after a certain amount of time. I have in mind an interface like ... from Jonathan that works on Mac and elsewhere.] Question&Answers:os...

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

0 votes

158 views

1 answer

android - How can I change the color of a part of a TextView?

text = text + CepVizyon.getPhoneCode() + " " + getText(R.string.currentversion) + CepVizyon.getLicenseText(); activationText. ... )'s string. How can I do this? Question&Answers:os...

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

0 votes

180 views

1 answer

How many bytes in a JavaScript string?

I have a javascript string which is about 500K when being sent from the server in UTF-8. How can I tell its ... Or on the page encoding or maybe content-type? Question&Answers:os...

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

0 votes

373 views

1 answer

jquery - JavaScript eyedropper (tell color of pixel under mouse cursor)

I am looking for an "eyedropper" tool, that gives me the hex value of the pixel the mouse cursor is under ... a cross browser solution would of course be ideal. Question&Answers:os...

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

0 votes

206 views

1 answer

Hexadecimal string to byte array in C

Is there any standard C function that converts from hexadecimal string to byte array? I do not want to write my own function. Question&Answers:os...

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

0 votes

236 views

1 answer

google maps - INSTALL_FAILED_MISSING_SHARED_LIBRARY error in Android

When I am trying to run an android application which uses Google API I get the following error [2009-07-11 ... canceled! Can anyone help me solve this error? Question&Answers:os...

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

0 votes

843 views

1 answer

macos - Mac OSX python ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:749)

Many operations in python require accessing things via https. This includes pip install, or just using http.client. ... to make the above error go away? Question&Answers:os...

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

0 votes

205 views

1 answer

javascript - Wait until flag=true

I have javascript function like this: function myFunction(number) { var x=number; ... ... more initializations // ... until flag is true without "busy-wait"? Question&Answers:os...

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

0 votes

920 views

1 answer

Python CSV error: line contains NULL byte

I'm working with some CSV files, with the following code: reader = csv.reader(open(filepath, "rU")) try: ... 13834 So the file does indeed contain NUL bytes. Question&Answers:os...

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

0 votes

148 views

1 answer

java - The following classes could not be instantiated: - android.support.v7.widget.Toolbar

I am creating an app with the new Material Design used in Android Lollipop (5.0). I am using the following guides ... the moment I use Android Studio Beta 0.8.9 Question&Answers:os...

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

0 votes

84 views

1 answer

c# - How can I conditionally apply a Linq operator?

We're working on a Log Viewer. The use will have the option to filter by user, severity, etc. In the ... with Linq. How can I conditionally add where-clauses? Question&Answers:os...

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

0 votes

328 views

1 answer

tsql - How do I perform an accent insensitive compare (e with è, é, ê and ë) in SQL Server?

I'm looking to compare two varchars in SQL, one would be something like Cafe and the other Café is there ... it would be included in the result set? Question&Answers:os...

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

0 votes

92 views

1 answer

java - How to click an element in Selenium WebDriver using JavaScript?

I have the following HTML: <button name="btnG" class="gbqfb" aria-label="Google Search" id="gbqfb"><span class="gbqfi ... to click the button. How can I do it? Question&Answers:os...

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

0 votes

282 views

1 answer

http - How to display the Authentication Challenge in UIWebView?

I am trying to access a secure website through UIWebView. When I access it through safari, i get an authentication ... links will be very helpful. Thanks a lot. Question&Answers:os...

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

0 votes

129 views

1 answer

javascript - Remove Duplicate objects from JSON Array

I have an array that looks like this: var standardsList = [ {"Grade": "Math K", "Domain": "Counting & ... on the page with $("#divid").append(array) Question&Answers:os...

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

0 votes

370 views

1 answer

python - How to fetch a non-ascii url with urlopen?

I need to fetch data from a URL with non-ascii characters but urllib2.urlopen refuses to open the resource and raises: ... http://example.org/???-?????/ Question&Answers:os...

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

0 votes

126 views

1 answer

java - Using Selenium Web Driver to retrieve value of a HTML input

In the HTML of a webapp there is the following code <input type="text" name="prettyTime" id="prettyTime" class= ... value that the user sees. Any help? Thanks. Question&Answers:os...

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

0 votes

192 views

1 answer

string - Why does "true" == true show false in JavaScript?

MDC describes the == operator as follows: If the two operands are not of the same type, JavaScript converts ... but JavaScript shows false. What have I missed? Question&Answers:os...

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

0 votes

368 views

1 answer

python - What is the performance impact of non-unique indexes in pandas?

From the pandas documentation, I've gathered that unique-valued indices make certain operations efficient, and that non ... on non-unique and/or sorted indices? Question&Answers:os...

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

0 votes

482 views

1 answer

stream - Edit a specific Line of a Text File in C#

I have two text files, Source.txt and Target.txt. The source will never be modified and contain N lines of text. So ... lines, the rest get lost. What can I do? Question&Answers:os...

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

0 votes

508 views

1 answer

html - Javascript Confirm popup Yes, No button instead of OK and Cancel

Javascript Confirm popup, I want to show Yes, No button instead of OK and Cancel. I have used this vbscript ... I want to show here my own application name. Question&Answers:os...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags