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Get Android Device Name [duplicate]
...t Android device name you have to add only a single line of code:
android.os.Build.MODEL;
Found here: getting-android-device-name
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How to get the directory of the currently running file?
...
This should do it:
import (
"fmt"
"log"
"os"
"path/filepath"
)
func main() {
dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
if err != nil {
log.Fatal(err)
}
fmt.Println(dir)
}
...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
The question is not about the maximum heap size on a 32-bit OS, given that 32-bit OSes have a maximum addressable memory size of 4GB, and that the JVM's max heap size depends on how much contiguous free memory can be reserved.
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How can I list the contents of a directory in Python?
...
import os
os.listdir("path") # returns list
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Is there a portable way to get the current username in Python?
...e that works under both Linux and Windows, at least). It would work like os.getuid :
12 Answers
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How to map calculated properties with JPA and Hibernate
... taxes;
@Transient
private Double priceWithTaxes;
@PostLoad
private void onLoad() {
this.priceWithTaxes = price * taxes;
}
For more complex queries, you can use the Hibernate @Formula, as explained in this article:
@Formula(
"round(" +
" (interestRate::numeric / 100) * " +
" ...
How to check whether a file is empty or not?
...
>>> import os
>>> os.stat("file").st_size == 0
True
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What is the difference between os.path.basename() and os.path.dirname()?
What is the difference between os.path.basename() and os.path.dirname() ?
2 Answers
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Check to see if python script is running
...cleanly, and check for it when you start up.
#/usr/bin/env python
import os
import sys
pid = str(os.getpid())
pidfile = "/tmp/mydaemon.pid"
if os.path.isfile(pidfile):
print "%s already exists, exiting" % pidfile
sys.exit()
file(pidfile, 'w').write(pid)
try:
# Do some actual work her...
How to properly overload the
...n a class, it seems like we cannot implement with Matrix::operator<<(ostream& os, const Matrix& m). Instead we need to just use global operator override operator<<ostream& os, const Matrix& m) so why even bother to declare it inside class in the first place?
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