Any good Ruby console application gems out there?

I'm digging around trying to find a good set of tools for creating console applications, as most of the settings I expect to be using Ruby in the coming months won't be webapps, but server-side...

Generate Ascii art text in C

I am trying to generate ascii art text for a fun application. From FIGLET, I got the ASCII pattern. I am using that pattern in a printf statement to print letters. Here is a screenshot of the...

Ruby parallel csv importing

I'm importing huge csv file, and i want to split it so, that importing will be faster (i didn't import directly to db, i have some calculation). code looks like this: def import_shatem require...

Bootstrap 3: Scroll bars

I am using Bootstrap 3 and have a list of subjects inside a side nav. The sidenav is long and I would like to make it that there is a scrollbar inside of the sidenav that displays 8 elements...

Revolution Slider - How to make different time for different items?

THE SITUATION: I am using for my slideshow the Slider Revolution plugin. I need to set different times (duration) for the images displayed. For example the first image i need to display for just 2...

Mac Terminal process ends and outputs [Process completed] when launched

When I launch the Terminal app on Mac, the process will end and output the following: Last login: Wed Aug 6 15:53:58 on ttys003 [Process completed] This started happening when terminal froze...

NullPointerException - Attempt to get length of null array (readDirectory())

I have the code as shown here. My Problem is a NullPointerException at files.length for(int i=0; i < files.length; i++){ It is caused because i have a "fail readDirectory() errno=13" at File[]...

How to display wrapping flex items as space-between with last row aligned left?

I have a fixed-width container into which several variable-width elements must appear in a row, which can spill over into additional rows as necessary. However, the beginning of each element must...

ESP8266: What can I do to overcome "section `.text' will not fit in region `iram1_0_seg'"?

What are general measures against the .text region not fitting into "iram1_0_seg" when linking for the ESP8266 using the xtensa GCC based toolchain? I guess that the ESP8266s RAM is not big enough...

How to print multiple lines of text with Python

If I wanted to print multiple lines of text in Python without typing print('') for every line, is there a way to do that? I'm using this for ASCII art. (Python 3.5.1)

Getting I/art: Explicit concurrent mark sweep GC freed

I'm starting a service => background service, And starting a check for files in "new Thread", In the log i'm getting the following, the service/app gets paused . Log : I/art: Explicit concurrent...

rules with ipset after restart

I'm using Debian 8 and I have ipset v6.23 and iptables v1.4.21. I put a rule with ipset in rules.v4 file and then I restart the iptables with netfilter-persistent service. When I reboot the...

Web view page is not displaying below android 5.0 version but working in 5.1.1 , only blank screen is showing in 4.4.2

Web view URL is working fine in android 5.1.1 but not in 4.4.2 version , its displaying blank screen only. Here is my code public class WebViewTwo extends Activity { WebView...

How Java GC Does Direct Byte Buffer Clean Up, Because IBM Docs says, It Does.

I assumed, I understood how Bytebuffer and DirectByteBuffer differs until i read a artical on IBM documentation, metioning : "Direct ByteBuffer objects clean up their native buffers automatically...

Sequence contains more than one element?

Using ASP.NET MVC5 I'm getting this error: System.InvalidOperationException: Sequence contains more than one element at System.Linq.Enumerable.SingleOrDefault[TSource](IEnumerable`1 source) ...

Pass JSON to JS using Django render

In my views.py file, I have the following dictionary: data = {'pk': '1980.24', 'model': 'artworks.metaData', 'fields': {'medium': 'Oil on canvas ', 'description': 'missing', 'credit': 'Gift of...

Xamarin Android App Crashing

I am building an android app and using Genymotion emulator. this is my android version settings this is my Genymotion virtual device settings When I deploy through visual studio I am getting...

Subscript in multiple legends in ggplot2

To make my figure suitable for black-white printing, I mapped one variable with "shape", "lty", "color" together. ggplot(df, aes(x=time, y=mean, shape=quality, ...

What is causing this crash with output "Check failed: threadId != 0u"?

I'm getting the below output in my code randomly (not related to any action that I can identify) when my application crashes. Can some one help me decipher what this logcat output means? I've...

Google Maps is showing a blank map

I am currently stuck with this problem: Google Maps seems not to be loading at all. Please see the image below: This is really driving me crazy. I already have done the following: Added my...

How to find longest word in string that is even

I need to find a word in a string that is both the longest as well as even. A few examples: The sentence Time to construct great art. This should return the string time because it is the greatest...

Android app crash with null pointer dereference?

I'm developing an app, and sometimes it crashes, without any cause in my code. The only thing I have in the logcat is this: 2019-10-07 09:55:34.677 15014-15014/? A/DEBUG: *** *** *** *** ***...

Print rectangle in python terminal

I am trying to write a function,that prints out rectangle in a terminal. My function accepts a single input parameter N and output a string with an ASCII art. This what the output should look...

error: bundling failed: TypeError: Cannot read property 'transformFile' of undefined, React Native

I receive this error whenever I run react-native start, but this started happening recently after I had installed firebase-tools and stripe in my node modules, but before that it would run just...

/apex/com.android.runtime/lib64/bionic/libc.so (abort+160), abort crash in Android 10 devices

I recently changed targedtSdk to 29 and made a release. And started getting this crash called abort. Below is the stack trace that I got from play console. All the crashes are happening only in...

React Native Crashes - Samsung Android 10 only - apex/com.android.runtime/lib64/bionic/libc.so abort

We've seen this crash intermittent for the past few weeks, but only on Samsung Android 10 devices. So far we have been unable to replicate this locally, nor are we seeing this log into Sentry. It...

How to avoid continuous "Resetting offset" and "Seeking to LATEST offset"?

I'm trying to follow this guide: https://spark.apache.org/docs/latest/structured-streaming-kafka-integration.html But I don't realize why I'm it's most of the time not writing data to the console,...

Error inflating class com.google.android.material.slider.Slider

I want to inflate a layout containing a single seekBar. in this way, I've created a java class that extends fragment class and then I inflate the layout. but the following error occurred: Binary...

Abort crashes from "/apex/com.android.runtime/lib64/bionic/libc.so" on Android 11

I know there is a similar question for Android 10. I see occasional abort crashes on Android 11. The backtrackes of these crashes are not 100% identical, but very similar. Could anyone shed some...

How does -march native affect floating point accuracy?

The code I work on has a substantial amount of floating point arithmetic in it. We have test cases that record the output for given inputs and verify that we don't change the results too much. I...