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What actually causes a Stack Overflow error? [duplicate]
...c static void main(String[] args)
{
final Functor[] functors = new Functor[CALLS];
for (int i = 0; i < CALLS; i++)
{
final int finalInt = i;
functors[i] = new Functor()
{
@Override
public void fun()
...
Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
...sue. In my case, I had a object searched in a code and I trying to build a new object with the same ID in other piece of code while the first object yet was at hibernate's session.
– dellasavia
Apr 23 '14 at 19:21
...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...se then you could use:
SUM(CASE WHEN [uid] IS NULL THEN 0 ELSE 1 END) AS [new_count]
This would not add a lot of overheads to your query.
(tested mssql 2008)
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Should I compile with /MD or /MT?
...s in the windows directory, sooner or later the user is going to install a new application with different libraries and, with any bad luck, break your application.
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frzsombor
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answered Jan 10 '11 at 15:21
KemoKemo
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Display open transactions in MySQL
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You can use show innodb status (or show engine innodb status for newer versions of mysql) to get a list of all the actions currently pending inside the InnoDB engine. Buried in the wall of output will be the transactions, and what internal process ID they're running under.
You won't be ab...
Parse email content from quoted reply
...llowing manner: if expression did not matched, I try to use the next one.
new Regex("From:\\s*" + Regex.Escape(_mail), RegexOptions.IgnoreCase);
new Regex("<" + Regex.Escape(_mail) + ">", RegexOptions.IgnoreCase);
new Regex(Regex.Escape(_mail) + "\\s+wrote:", RegexOptions.IgnoreCase);
new Reg...
What are unit tests, integration tests, smoke tests, and regression tests?
...h external resources (db, disk access)
Regression test: after implementing new features or bug fixes, you re-test scenarios which worked in the past. Here you cover the possibility in which your new features break existing features.
Smoke testing: first tests on which testers can conclude if they wi...
Get all directories within directory nodejs
...rce, name)).filter(isDirectory)
Update for Node 10.10.0+
We can use the new withFileTypes option of readdirSync to skip the extra lstatSync call:
const { readdirSync } = require('fs')
const getDirectories = source =>
readdirSync(source, { withFileTypes: true })
.filter(dirent => dir...
Moving Files into a Real Folder in Xcode
...automagically some of the time):
If you're moving a bunch of files into a new folder and are keeping the child hierarchy, it's actually a lot easier than moving each file individually:
Create new groups in the Xcode folder tree and organize your files into them however you like.
Create a matching...