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How to get the path of running java program

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

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javascript - Start HTML5 video at a particular position when loading?

I need HTML5 video to start at certain point. Let's say at time 50 seconds onward. I tried but its not ... it works fine. Is there anything I am missing? Question&Answers:os...

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

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multithreading - is there a 'block until condition becomes true' function in java?

I'm writing a listener thread for a server, and at the moment I'm using: while (true){ try { if ... method of waiting until a variable's value changes? Question&Answers:os...

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

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Disable Session state per-request in ASP.Net MVC

I am creating an ActionResult in ASP.Net MVC to serve images. With Session state enabled, IIS will only handle one ... know how this is done in MVC? Thanks! Question&Answers:os...

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

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Rails 3: "field-with-errors" wrapper changes the page appearance. How to avoid this?

Email field: <label for="job_client_email">Email: </label> <input type="email" name="job[client_email]" id=" ... : How could I avoid this appearance change ? Question&Answers:os...

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

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ruby - How do I create multiple submit buttons for the same form in Rails?

I need to have multiple submit buttons. I have a form which creates an instance of Contact_Call. One button ... the controller, set up a case statement? Question&Answers:os...

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

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c++ - How can I measure CPU time and wall clock time on both Linux/Windows?

I mean: how can I measure time my CPU spent on function execution and wall clock time it takes to ... type of time measuring architecture independent or not? Question&Answers:os...

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

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Execute and get the output of a shell command in node.js

In a node.js, I'd like to find a way to obtain the output of a Unix terminal command. Is there any way ... print the terminal output of the shell command "ls" } Question&Answers:os...

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

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ios - How to make a transparent UIWebView

I have an app with a UITableView and a corresponding detail view for each row. In the detail view I have to display ... but it didn't help. Can you help me? Question&Answers:os...

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

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dart - How to remove scroll glow?

By default, flutter adds a glowing effect on ListView/GridView/... to overscrolls on android phones I would like to ... remove the glow effect. What can I do ? Question&Answers:os...

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

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python - Using Colormaps to set color of line in matplotlib

How does one set the color of a line in matplotlib with scalar values provided at run time using a colormap (say jet) ... ='upper right') ax.grid() plt.show() Question&Answers:os...

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

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python: SyntaxError: EOL while scanning string literal

I have the above-mentioned error in s1="some very long string............" Does anyone know what I am doing wrong? Question&Answers:os...

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

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java - Android "gps requires ACCESS_FINE_LOCATION" error, even though my manifest file contains this

Each time I run the application, my SecurityException gets thrown and the error from the debugger reads as ... void onProviderDisabled(String provider) { } } Question&Answers:os...

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

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android - Change Toolbar color in Appcompat 21

I am testing out the new Appcompat 21 Material Design features. Therefore I've created a Toolbar like this: < ... prefer a white text and white menu buttons: Question&Answers:os...

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

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ios - Reason: no suitable image found

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

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388 views

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python - UnicodeEncodeError: 'latin-1' codec can't encode character

What could be causing this error when I try to insert a foreign character into the database? >>UnicodeEncodeError: 'latin ... ) And how do I resolve it? Thanks! Question&Answers:os...

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

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202 views

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java - Difference between getExternalFilesDir and getExternalStorageDirectory()

I understand that ExternalFiles is to be used on API 8 and up and getExternalStorageDirectory is for 7 and down. ... just want to see if the folders exist?? Question&Answers:os...

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

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91 views

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c# - Is it possible to write to the console in colour in .NET?

Writing a small command line tool, it would be nice to output in different colours. Is this possible? Question&Answers:os...

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

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608 views

1 answer

javascript - Remove insignificant trailing zeros from a number?

Have I missed a standard API call that removes trailing insignificant zeros from a number? var x = 1.234000; // to ... () are not quite what I'm looking for. Question&Answers:os...

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

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exception handling - Why use finally in C#?

Whatever is inside finally blocks is executed (almost) always, so what's the difference between enclosing code into it or leaving it unclosed? Question&Answers:os...

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

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381 views

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Case insensitive comparison of strings in shell script

The == operator is used to compare two strings in shell script. However, I want to compare two strings ... done? Is there any standard command for this? Question&Answers:os...

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

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397 views

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Remove an element from a Bash array

I need to remove an element from an array in bash shell. Generally I'd simply do: array=("${(@)array:#< ... but clearly doesn't work because of {} Any idea? Question&Answers:os...

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

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148 views

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linux - Creating a new directory in C

I want to write a program that checks for the existence of a directory; if that directory does not exist then it ... How would I do this in C with Linux? Question&Answers:os...

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

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1 answer

gradle - VectorDrawable - is it available somehow for pre-Lollipop versions of Android?

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

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

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398 views

1 answer

How to enable logging for apache commons HttpClient on Android

To enable logging for apache commons HttpClient in normal Java application I used: System.setProperty("org.apache.commons ... LogCat. Am I missing some thing? Question&Answers:os...

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

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python - What is the difference between 'log' and 'symlog'?

In matplotlib, I can set the axis scaling using either pyplot.xscale() or Axes.set_xscale(). Both functions accept ... where does the name 'symlog' come from?) Question&Answers:os...

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

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'str' object has no attribute 'decode'. Python 3 error?

Here is my code: import imaplib from email.parser import HeaderParser conn = imaplib.IMAP4_SSL('imap.gmail.com') conn. ... the 1st email. How do I select all? Question&Answers:os...

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

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339 views

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regular language - Left-Linear and Right-Linear Grammars

I need help with constructing a left-linear and right-linear grammar for the languages below? a) (0+1)*00(0+1)* b) ... Is this correct? I need help with b & c. Question&Answers:os...

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

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