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Postgresql: Scripting psql execution with password
... the following format:
hostname:port:database:username:password Do not add string quotes around your field values. You can also use * as a wildcard for your port/database fields.
You must chmod 0600 ~/.pgpass in order for it to not be silently ignored by psql.
Create an alias in your bash profile th...
How can I “pretty print” a Duration in Java?
...ix("m")
.appendSeconds()
.appendSuffix("s")
.toFormatter();
String formatted = formatter.print(duration.toPeriod());
System.out.println(formatted);
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...
Simple regular expression for a decimal with a precision of 2
...e digit before and one after the decimal place.
To require that the whole string is a number of this form, wrap the expression in start and end tags such as (in Perl's form):
^\d+(\.\d{1,2})?$
To match numbers without a leading digit before the decimal (.12) and whole numbers having a trailing p...
Sorting multiple keys with Unix sort
...file
Not this: sort -k 3 -k 2 < inputfile which sorts the file by the string from the beginning of field 3 to the end of line (which is potentially unique).
-k, --key=POS1[,POS2] start a key at POS1 (origin 1), end it at POS2
(default end of line)
...
Find provisioning profile in Xcode 5
...following criteria to locate the profile:
<key>Name</key>
<string>iOS Team Provisioning Profile: *</string>
you can scan the directory using awk. This one-liner will find the first file that contains the name starting with "iOS Team".
awk 'BEGIN{e=1;pat="<string>"to...
Android: checkbox listener
I want to put a Listener over a CheckBox . I looked for info and it is like this:
10 Answers
...
How to avoid type safety warnings with Hibernate HQL results?
...ve been added there since Java Persistence 2.0. One of them is createQuery(String, Class<T>) which returns TypedQuery<T>. You can use TypedQuery just as you did it with Query with that small difference that all operations are type safe now.
So, just change your code to smth like this:
...
Checking if sys.argv[x] is defined
... the value of argv[1] to argv and then check if argv[1] doesn't equal the string you inputted Example:
from sys import argv
argv.append('SomeString')
if argv[1]!="SomeString":
print(argv[1])
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Add comma to numbers every three digits
...
The fastest way is number.toLocaleString("en");
– Derek 朕會功夫
Apr 21 '14 at 21:11
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How can I get a file's size in C++? [duplicate]
...of the c runtime library on Windows, Mac and Linux.
long GetFileSize(std::string filename)
{
struct stat stat_buf;
int rc = stat(filename.c_str(), &stat_buf);
return rc == 0 ? stat_buf.st_size : -1;
}
or
long FdGetFileSize(int fd)
{
struct stat stat_buf;
int rc = fstat(fd...