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How to speed up insertion performance in PostgreSQL
... the same issue today. Inserts go at a 'regular' speed (less than 3sec per 100K) up until to 5MI (out of total 30MI) rows and then the performance sinks drastically (all the way down to 1min per 100K).
I will not list all of the things that did not work and cut straight to the meat.
I dropped a ...
Text blinking jQuery
...'.blink').blink(); // default is 500ms blink interval.
//$('.blink').blink(100); // causes a 100ms blink interval.
It is also a very simple plugin, and you could probably extend it to stop the animation and start it on demand.
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How to round the corners of a button
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First set width=100 and Height=100 of button
Objective C Solution
YourBtn1.layer.cornerRadius=YourBtn1.Frame.size.width/2;
YourBtn1.layer.borderColor=[uicolor blackColor].CGColor;
YourBtn1.layer.borderWidth=1.0f;
Swift 4 Solution...
How to add a string to a string[] array? There's no .Add function
...s how I add to a string when needed:
string[] myList;
myList = new string[100];
for (int i = 0; i < 100; i++)
{
myList[i] = string.Format("List string : {0}", i);
}
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Remove the last character in a string in T-SQL?
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e.g.
DECLARE @String VARCHAR(100)
SET @String = 'TEST STRING'
-- Chop off the end character
SET @String =
CASE @String WHEN null THEN null
ELSE (
CASE LEN(@String) WHEN 0 THEN @String
ELSE LEFT(@String, LEN(@String) - 1...
How to count instances of character in SQL Column
I have an sql column that is a string of 100 'Y' or 'N' characters. For example:
16 Answers
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How to position a div in the middle of the screen when the page is bigger than the screen
... bottom: 0;
left: 0;
right: 0;
width: 200px;
height: 100px;
margin: auto;
background-color: #f3f3f3;">Full Center ON Page
</div>
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Can I create a named default constraint in an add column statement in SQL Server?
...be unique (results in a unique index implicitly)
,SomeUniqueString VARCHAR(100) NOT NULL CONSTRAINT UQ_TestTable_SomeUniqueString UNIQUE
--define two constraints, one for a default value and one for a value check
,SomeNumber INT NULL CONSTRAINT DF_TestTable_SomeNumber DEFAULT (0)
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How to see full query from SHOW PROCESSLIST
When I issue SHOW PROCESSLIST query, only first 100 characters of the running SQL query are returned in the info column.
5 ...
How to store arrays in MySQL?
...third table is the link table between Person and Fruit. So if a person has 100 fruits. I need to create 100 rows in the third table, right? Is this efficient?
– tonga
Jun 28 '13 at 19:11
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