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Mastering Development

Pandas – df[‘A’].isnull() vs df[‘A’]==” difference

As title says, I’m bit confused between the usage isnull() and ==”. sometimes when empty columns are added to a dataframe, isnull() does not work. FDF = pd.DataFrame() FDF[‘A’] = ” print (FDF.loc[FDF[‘A’].isnull()]) but in the same case following works. print (FDF.loc[FDF[‘A’]==”]) is it because the way I added a blank column in a dataframe? […]

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Mastering Development

How to find out if a playlist has a playlist image cover in Spotipy?

As title says, im trying to see how if a playlist has a playlist image cover so that it doesn’t try to load one that doesnt exist. Here is my method: currentPlaylist = spotifyObject.user_playlist(username, playlistManageURI) if [‘images’][0] in currentPlaylist: playlistCover_url = currentPlaylist[‘images’][0][‘url’] image = QImage() image.loadFromData(requests.get(playlistCover_url).content) self.playlistCover.setScaledContents(True) self.playlistCover.setPixmap(QPixmap(image)) else: print(‘Playlist Cover doesnt exist!’) which while […]

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Android User Help

Some kind of virus is consuming my storage to 0 bytes

As title says, i am having heavily storage problems since a week. Last night I deleted facebook cache and useless applications, 2 gb space cleaned and today I woke up to 8 mb left notification again. Looked log files with ES, there wasnt any huge logs.Checked all apps sorted by file size, no suspicious thing. […]

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Linux Mastering Development Ubuntu

Cannot install A7000 USB-WiFi Adapter on Ubuntu 18.04

As title says, I’m trying to get the A7000 USB WiFi adapter working on a Thinkpad laptop with Ubuntu 18.04. I followed the instructions in this post which were to go: sudo apt-get update sudo apt-get install git dkms git clone https://github.com/zebulon2/rtl8814au.git sudo dkms add ./rtl8814au sudo dkms build -m rtl8814au -v 4.3.21 sudo dkms […]

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Linux Mastering Development Ubuntu

Cannot install A7000 Network Adapter on Ubuntu 18.04

As title says, I’m trying to get the A7000 network adapter working on a Thinkpad laptop with Ubuntu 18.04. I followed the instructions in this post which were to go: sudo apt-get update sudo apt-get install git dkms git clone https://github.com/zebulon2/rtl8814au.git sudo dkms add ./rtl8814au sudo dkms build -m rtl8814au -v 4.3.21 sudo dkms install […]

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Mastering Development

Calling round(), ceiling(), floor(), min(), max() in pandas eval

As title says, Is there a way to support round, ceiling, min, max, floor functions in pandas eval. DataFrame: import pandas as pd import numexpr as ne op_d = {‘ID’: [1, 2,3],’V’:[‘F’,’G’,’H’],’AAA’:[0,1,1],’E’:[102014,112019,122017] ,’D’:[‘2019/02/04′,’2019/02/01′,’2019/01/01′],’DD’:[‘2019-12-01′,’2016-05-31′,’2015-02-15′],’CurrentRate’:[7.5,2,2],’NoteRate’:[2,3,3],’BBB’:[0,00,4],’Q1′:[2,8,00],’Q2′:[3,5,7],’Q3′:[5,6,8]} df = pd.DataFrame(data=op_d) abs() and sqrt() function works with pandas eval. i.e. df.eval(‘TT = abs(sqrt(Q1+Q2)-Q2)’,inplace=True) df can anyone suggest how to access […]

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Bitcoin Cryptocurrency Development

Is it possible to mine using Asics on AWS?

As title says, I would like to know if mining with asics on aws is possible and how to do it? I don’t mean profit because I don’t really care and only do it for fun. Thanks!

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Development User Help

Extremly Low Disk Access Time

As title says, the average time for access a file is 160ms… File System: ext4 Disk: Seagate ST3000DM008 Barracuda Os: Arch I received this hard drive some days ago and after copying some data from my old hdd now is pretty unusable… Sequential read/write seems to work fine. Edit: These are my S.M.A.R.T. tests In […]

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Development System & Network

Centos 7 – Locked out of accessing the VPS after enforcing SELinux

As title says, I can’t log into my VPS after enforcing the Sellinux flag. Do I have any options to get in without reinstalling the OS and losing all my configurations?

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Development System & Network

Centos 7 – Locked out of accessing the VPS after enforcing SELinux

As title says, I can’t log into my VPS after enforcing the Sellinux flag. Do I have any options to get in without reinstalling the OS and losing all my configurations?