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Is it possible to create a File object from InputStream
...ream out) throws IOException {
byte[] buffer = new byte[1024];
int read;
while ((read = in.read(buffer)) != -1) {
out.write(buffer, 0, read);
}
}
Now you can easily write an Inputstream into file by using FileOutputStream-
FileOutputStream out = new FileOutputStream(outFil...
How to write a scalable Tcp/Ip based server
...tively little resources. Anything that does occur is handled by the .net thread pool.
I wrote it as a class that manages all connections for the servers.
I simply used a list to hold all the client connections, but if you need faster lookups for larger lists, you can write it however you want.
p...
Improve INSERT-per-second performance of SQLite
...a difference as well (PRAGMA page_size). Having larger page sizes can make reads and writes go a bit faster as larger pages are held in memory. Note that more memory will be used for your database.
If you have indices, consider calling CREATE INDEX after doing all your inserts. This is significantly...
Command not found when using sudo
... the command that is used to change the permission settings of a file.
To read the chmod documentation for your local system , run man chmod or info chmod from the command line. Once read and understood you should be able to understand the output of running ...
ls -l foo.sh
... which will list t...
Switch Git branch without files checkout
....
git checkout <branch where you want to go>
since your HEAD is already pointing to the same commit, working dir is not touched
git branch -d temp
Note that these commands are also readily available from any graphical client.
...
Get output parameter value in ADO.NET
...
For those that are using a DataReader, you must close it or read to the end of the data before you can view the output parameters.
– Garry English
Apr 22 '15 at 5:52
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How to create streams from string in Node.Js?
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From node 10.17, stream.Readable have a from method to easily create streams from any iterable (which includes array literals):
const { Readable } = require("stream")
const readable = Readable.from(["input string"])
readable.on("data", (chunk) =&...
How do I execute any command editing its file (argument) “in place” using bash?
...txt
Specifically, the documentation of GNU sort says:
Normally, sort reads all input before opening output-file, so you can safely sort a file in place by using commands like sort -o F F and cat F | sort -o F. However, sort with --merge (-m) can open the output file before reading all input, s...
Most efficient way to check for DBNull and then assign to a variable?
...sks again what OP wants to avoid. By writing row.IsNull(columnName) you're reading it once already and reading it again. Not saying that will make a difference, but theoretically it can be less efficient..
– nawfal
Feb 6 '13 at 16:31
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How to specify a multi-line shell variable?
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Use read with a heredoc as shown below:
read -d '' sql << EOF
select c1, c2 from foo
where c1='something'
EOF
echo "$sql"
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