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Xcode 4.2 debug doesn't symbolicate stack call
...y setting it at the END of your didFinishLaunchingWithOptions function (or selectively disabling 3rd party libraries). Or better yet, set a symbolic break point on NSSetUncaughtExceptionHandler to quickly see who is calling it. What you may want to do is to modify your current one rather than adding...
How can I write output from a unit test?
...ling to find it, it's in the Text Explorer, bottom section. When a test is selected, it shows you the result with "Elapsed time: xxx". Below that is the "Output" link.
– kevin
May 18 '14 at 11:00
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When would you use delegates in C#? [closed]
...ionString = psConnectionString;
}
public void UseReader( string psSELECT, DataReaderUser readerUser )
{
using ( SqlConnection connection = new SqlConnection( _connectionString ) )
try
{
SqlCommand command = new SqlCommand( psSELECT, connection );
...
Partly cherry-picking a commit with Git
...t into unstaged working changes.
Now git stash save --patch: interactively select unwanted material to stash.
Git rolls back the stashed changes from your working copy.
git commit
Throw away the stash of unwanted changes: git stash drop.
Tip: if you give the stash of unwanted changes a name: git ...
Having both a Created and Last Updated timestamp columns in MySQL 4.0
...dated) values(null, null);
Query OK, 1 row affected (0.06 sec)
mysql> select * from test_table;
+----+---------------------+---------------------+
| id | stamp_created | stamp_updated |
+----+---------------------+---------------------+
| 2 | 2009-04-30 09:44:35 | 2009-04-30 09:4...
.prop('checked',false) or .removeAttr('checked')?
...to jQuery 3.0, using .removeAttr() on a boolean attribute such as checked, selected, or readonly would also set the corresponding named property to false. This behavior was required for ancient versions of Internet Explorer but is not correct for modern browsers because the attribute represents the ...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
...-date), sum)
# summarising a specific set of non-grouping variables using select_helpers
# see ?select_helpers for more options
df2 <- df1 %>% group_by(year, month) %>% summarise_at(vars(starts_with('x')), sum)
df2 <- df1 %>% group_by(year, month) %>% summarise_at(vars(matches('.*...
chrome undo the action of “prevent this page from creating additional dialogs”
...correct answer is: YES, there is a better way.
Right click on the tab and select "Duplicate", then close the original tab if you wish.
Alerting is re-enabled in the duplicate.
The duplicate tab seems to recreate the running state of the original tab so you can just continue where you were.
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Is it possible to “await yield return DoSomethingAsync()”
... DownLoadAllUrls(string[] urls)
{
return Task.WhenAll(from url in urls select DownloadHtmlAsync(url));
}
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How to remove elements from a generic list while iterating over it?
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Select the elements you do want rather than trying to remove the elements you don't want. This is so much easier (and generally more efficient too) than removing elements.
var newSequence = (from el in list
...