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How to send POST request in JSON using HTTPClient in Android?
I'm trying to figure out how to POST JSON from Android by using HTTPClient. I've been trying to figure this out for a while, I have found plenty of examples online, but I cannot get any of them to work. I believe this is because of my lack of JSON/networking knowledge in general. I know there are ...
Search and replace in bash using regular expressions
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Use sed:
MYVAR=ho02123ware38384you443d34o3434ingtod38384day
echo "$MYVAR" | sed -e 's/[a-zA-Z]/X/g' -e 's/[0-9]/N/g'
# prints XXNNNNNXXXXNNNNNXXXNNNXNNXNNNNXXXXXXNNNNNXXX
Note that the subsequent -e's are processed in order. Also, the g flag for the expression will m...
Counting the Number of keywords in a dictionary in python
I have a list of words in a dictionary with the value = the repetition of the keyword but I only want a list of distinct words so I wanted to count the number of keywords. Is there a way to count the number of keywords or is there another way I should look for distinct words?
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Go to beginning of line without opening new line in VI
For ages now I've used SHIFT O and SHIFT $ to move to the beginning and end of a line in vi .
10 Answers
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Get type of a generic parameter in Java with reflection
... edited Jan 4 '15 at 11:38
Aubin
13.3k88 gold badges5252 silver badges7575 bronze badges
answered Dec 14 '09 at 14:37
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Changes in import statement python3
I don't understand the following from pep-0404
4 Answers
4
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What is size_t in C?
I am getting confused with size_t in C. I know that it is returned by the sizeof operator. But what exactly is it? Is it a data type?
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What does [].forEach.call() do in JavaScript?
I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.
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How do I prevent commands from showing up in Bash history?
...s, when I run commands like rm -rf XYZ , I don't want this to be recorded in Bash history, because I might accidentally run the same command again by reverse-i-search . Is there a good way to prevent this from happening?
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How to specify in crontab by what user to run script? [closed]
...der root, but that gives me some problems. For example all folders created in process of that cron job are under user root and group root.
How can i make it to run under user www-data and group www-data so when i run scripts from my website i can manipulate those folders and files?
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