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Convert boolean to int in Java
What is the most accepted way to convert a boolean to an int in Java?
12 Answers
1...
Check to see if python script is running
...nd 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 here
finally:...
SQL Server: Get table primary key using sql query [duplicate]
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Using information_schema (in contrast to the sys. views) is always a good idea as it is the official standard and is implemented in a couple other database systems.
– jakubiszon
Nov 4 '17 at 17:49
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How to convert List to int[] in Java? [duplicate]
This is similar to this question:
How to convert int[] to Integer[] in Java?
16 Answers
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Java code To convert byte to Hexadecimal
I have an array of bytes.
I want each byte String of that array to be converted to its corresponding hexadecimal values.
19...
Android - Pulling SQlite database android device
...error, try the below.
dd if=data.ab bs=1 skip=24 | python -c "import zlib,sys;sys.stdout.write(zlib.decompress(sys.stdin.read()))" | tar -xvf -
The result is the apps/app.package.name/ folder containing application data, including sqlite database.
For more details you can check the original blog...
Generic TryParse
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You should use the TypeDescriptor class:
public static T Convert<T>(this string input)
{
try
{
var converter = TypeDescriptor.GetConverter(typeof(T));
if(converter != null)
{
// Cast ConvertFromString(string text) : object to (T)
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Convert a byte array to integer in Java and vice versa
...LeifEricson I believe the & 0xFFs are necessary as it tells the JVM to convert the signed byte into an integer with just those bits set. Otherwise the byte -1 (0xFF) will turn into the int -1 (0xFFFFFFFF). I could be wrong and even if I am it doesn't hurt and makes things clearer.
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How do I convert a String to an int in Java?
How can I convert a String to an int in Java?
46 Answers
46
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...erflow, but it'll mask larger numbers, which might cause trouble if you're converting a table. Personally I'd rather have the query error out up front and know that some of my "integers" are screwy (You can also select with E'\\d{6,}$' first to make sure).
– Anthony Briggs
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