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Should I commit or rollback a read transaction?
I have a read query that I execute within a transaction so that I can specify the isolation level. Once the query is complete, what should I do?
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Is it possible to read from a InputStream with a timeout?
...tream.available():
Returns an estimate of the number of bytes that can be read (or skipped over)
from this input stream without blocking by the next invocation of a method for
this input stream.
An estimate is unavoidable due to timing/staleness. The figure can be a one-off underestimate becau...
Read/Write String from/to a File in Android
... Log.e("Exception", "File write failed: " + e.toString());
}
}
Read File:
private String readFromFile(Context context) {
String ret = "";
try {
InputStream inputStream = context.openFileInput("config.txt");
if ( inputStream != null ) {
InputStreamR...
Lazy Method for Reading Big File in Python?
I have a very big file 4GB and when I try to read it my computer hangs.
So I want to read it piece by piece and after processing each piece store the processed piece into another file and read next piece.
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open read and close a file in 1 line of code
... and explicit:
with open('pagehead.section.htm','r') as f:
output = f.read()
Now it's just two lines and pretty readable, I think.
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Reading a file line by line in Go
I'm unable to find file.ReadLine function in Go. I can figure out how to quickly write one, but I am just wondering if I'm overlooking something here. How does one read a file line by line?
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Reading an Excel file in PHP [closed]
I'm trying to read an Excel file (Office 2003). There is an Excel file that needs to be uploaded and its contents parsed.
8...
What is the Linux equivalent to DOS pause?
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read does this:
user@host:~$ read -n1 -r -p "Press any key to continue..." key
[...]
user@host:~$
The -n1 specifies that it only waits for a single character. The -r puts it into raw mode, which is necessary because other...
How to style readonly attribute with CSS?
I'm currently using readonly="readonly" to disable fields. I'm now trying to style the attribute using CSS. I've tried using
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How do I use Node.js Crypto to create a HMAC-SHA1 hash?
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hmac.write(text); // write in to the stream
hmac.end(); // can't read from the stream until you call end()
hash = hmac.read().toString('hex'); // read out hmac digest
console.log("Method 1: ", hash);
// Method 2 - Using update and digest:
hmac = crypto.createHmac(algorithm, secret);
hm...