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Volatile Vs Atomic [duplicate]
I read somewhere below line.
6 Answers
6
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How to use phpexcel to read data and insert into database?
I have a php application where I want to read data from excel, Insert into database and then generate pdf reports for specific users.
I searched a lot but nothing specific given about both things.
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Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?
...le is not empty first:
import os
scores = {} # scores is an empty dict already
if os.path.getsize(target) > 0:
with open(target, "rb") as f:
unpickler = pickle.Unpickler(f)
# if file is not empty scores will be equal
# to the value unpickled
scores = u...
Using R to download zipped data file, extract, and import data
...download.file("http://www.newcl.org/data/zipfiles/a1.zip",temp)
data <- read.table(unz(temp, "a1.dat"))
unlink(temp)
Compressed (.z) or gzipped (.gz) or bzip2ed (.bz2) files are just the file and those you can read directly from a connection. So get the data provider to use that instead :)
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Please explain some of Paul Graham's points on Lisp
...ojure arguably does not fully satisfy the fourth point on your list, since read-time is not really open to user code; I will discuss what it would mean for this to be otherwise, though.
So, suppose we've got this code in a file somewhere and we ask Clojure to execute it. Also, let's assume (for the ...
Reading JSON from a file?
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The json.load() method (without "s" in "load") can read a file directly:
import json
with open('strings.json') as f:
d = json.load(f)
print(d)
You were using the json.loads() method, which is used for string arguments only.
Edit:
The new message is a totally dif...
Reading a resource file from within jar
I would like to read a resource from within my jar like so:
15 Answers
15
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Reading value from console, interactively
...ple server http server with some console extension. I found the snippet to read from command line data.
15 Answers
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Read first N lines of a file in python
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If you want to read the first lines quickly and you don't care about performance you can use .readlines() which returns list object and then slice the list.
E.g. for the first 5 lines:
with open("pathofmyfileandfileandname") as myfile:
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Take a char input from the Scanner
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You could take the first character from Scanner.next:
char c = reader.next().charAt(0);
To consume exactly one character you could use:
char c = reader.findInLine(".").charAt(0);
To consume strictly one character you could use:
char c = reader.next(".").charAt(0);
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