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What is PAGEIOLATCH_SH wait type in SQL Server?
...ppens in queries that use indexes efficiently.
If your query is like this:
Select * from <table> where <col1> = <value> order by <PrimaryKey>
, check that you have a composite index on (col1, col_primary_key).
If you don't have one, then you'll need either a full INDEX SCAN ...
SQL multiple column ordering
... 1478
Thomas | Jefferson | 1826
If you execute the query below:
SELECT * FROM People ORDER BY FirstName DESC, YearOfBirth ASC
The result set will look like this:
FirstName | LastName | YearOfBirth
----------------------------------------
Thomas | More | 1478
Thomas ...
How can I turn a List of Lists into a List in Java 8?
... .collect(Collectors.toList())
This is would be similar in SQL to having SELECT statements within SELECT statements.
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Eclipse interface icons very small on high resolution screen in Windows 8.1
... > compatibility > tick on 'Override high DPI scaling behaviour' and select System Enhanced from the dropdown as shown on pic below. Relaunch eclipse after changes.
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How can I change an element's text without changing its child elements?
...to_change.nodeValue = 'new text';
Of course, you can still use jQuery to select the <div> in the first place (i.e. var your_div = $('your_div').get(0);).
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Get the current displaying UIViewController on the screen in AppDelegate.m
...return [UIWindow getVisibleViewControllerFrom:[((UITabBarController *) vc) selectedViewController]];
} else {
if (vc.presentedViewController) {
return [UIWindow getVisibleViewControllerFrom:vc.presentedViewController];
} else {
return vc;
}
}
}...
PL/SQL, how to escape single quote in a string?
...a single quotation mark with two single >quotation marks in both sides.
SELECT 'test single quote''' from dual;
The output of the above statement would be:
test single quote'
Simply stating you require an additional single quote character to print a single quote >character. That is if you put ...
How to create a video from images with FFmpeg?
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-pattern_type glob
This great option makes it easier to select the images in many cases.
Slideshow video with one image per second
ffmpeg -framerate 1 -pattern_type glob -i '*.png' \
-c:v libx264 -r 30 -pix_fmt yuv420p out.mp4
Add some music to it, cutoff when the presumably...
Get the first item from an iterable that matches a condition
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Since this is the selected answer, I feel compelled to share an answer to selecting the first element correctly here. In short: usage of next shouldn't be encouraged.
– guyarad
Jul 7 '16 at 10:56
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How do I push a local repo to Bitbucket using SourceTree without creating a repo on bitbucket first?
...Options, make sure SSH Client: is set to PuTTY/Plink under the General tab
Select Tools>Create or Import SSH Keys
In the popup window, click Generate and move your mouse around to give randomness to the key generator
You should get something like whats shown in the screenshot below. Copy the publ...