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Hibernate: hbm2ddl.auto=update in production?
...erstand when datatypes for columns have changed. Examples (using MySQL):
String with @Column(length=50) ==> varchar(50)
changed to
String with @Column(length=100) ==> still varchar(50), not changed to varchar(100)
@Temporal(TemporalType.TIMESTAMP,TIME,DATE) will not update the DB columns i...
using awk with column value conditions
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If you're looking for a particular string, put quotes around it:
awk '$1 == "findtext" {print $3}'
Otherwise, awk will assume it's a variable name.
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Converting Epoch time into the datetime
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To convert your time value (float or int) to a formatted string, use:
time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(1347517370))
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How to access the GET parameters after “?” in Express?
... answers his own original question! He clearly asked how to access a querystring value IN COMBINATION WITH A POSITIONAL PARAMETER (:id). I have exactly the same issue, and this answer does NOT provide a solution ?!
– Andy Lorenz
Jun 23 at 21:38
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Why doesn't java.lang.Number implement Comparable? [duplicate]
...programmers could override. This is no excuse. The same problem exists for Strings when it comes to empty strings or null references. Is a null reference greater than or less than the string "foo"? Sun picked an ordering that makes sense.
– Jason
Dec 2 '15 at 1...
Linq Query keeps throwing “Unable to create a constant value of type System.Object…”, Why?
... Can you please explain the difference between "t.CustID == custIdToQuery" and "t.CustID.Equals(custIdToQuery)". thanks in advance
– Neel
Jan 4 '11 at 10:20
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How do I get the day of the week with Foundation?
How do I get the day of the week as a string?
13 Answers
13
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Find the last element of an array while using a foreach loop in PHP
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string comparison is slower then integers, and not always accurate when comparing strings to integers (you should at least have used ===). Im voting this down.
– OIS
Apr 1 '09 at 11:10
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How can I determine installed SQL Server instances and their versions?
...'m trying to determine what instances of sql server/sql express I have installed (either manually or programmatically) but all of the examples are telling me to run a SQL query to determine this which assumes I'm already connected to a particular instance.
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Detect if stdin is a terminal or pipe?
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Summary
For many use cases the POSIX function isatty() is all what it is needed to detect if stdin is connected to a terminal. A minimal example:
#include <unistd.h>
#include <stdio.h>
int main(int argc, char **argv)
{
if (isatty(fileno(stdin)))
puts("stdin is co...