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How to use HttpWebRequest (.NET) asynchronously?
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edited Oct 27 '10 at 20:12
answered Oct 14 '08 at 21:17
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In a bootstrap responsive page how to center a div
...ith flex-box
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css');
html,
body {
height: 100%
}
<div class="h-100 row align-items-center">
<div class="col" style="background:red">
TEXT
</div>
</div>
Solutio...
Most efficient way to concatenate strings?
...ch better than using the + operator. But I've found that, when executing 1000 concatenations or less, String.Join() is even more efficient than StringBuilder.
StringBuilder sb = new StringBuilder();
sb.Append(someString);
The only problem with String.Join is that you have to concatenate the stri...
How can I explode and trim whitespace?
...food now.
– jenki221
May 29 '15 at 20:30
4
@JasonOOO I think in most people's opinion, a couple m...
Finding duplicate values in a SQL table
...consistent:
Recent PostgreSQL supports it.
SQL Server (as at SQL Server 2017) still requires all non-aggregated columns in the GROUP BY.
MySQL is unpredictable and you need sql_mode=only_full_group_by:
GROUP BY lname ORDER BY showing wrong results;
Which is the least expensive aggregate function...
Get the time difference between two datetimes
...will work ONLY when the total duration is less than 24 hours:
var now = "04/09/2013 15:00:00";
var then = "04/09/2013 14:20:30";
moment.utc(moment(now,"DD/MM/YYYY HH:mm:ss").diff(moment(then,"DD/MM/YYYY HH:mm:ss"))).format("HH:mm:ss")
// outputs: "00:39:30"
If you have 24 hours or more, the ho...
How can I get the actual stored procedure line number from an error message?
...
answered Dec 30 '10 at 21:18
RickRick
3,85011 gold badge2424 silver badges2020 bronze badges
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Is there a stopwatch in Java?
...ogle I only find code of stopwatches which don't work - they always return 0 milliseconds.
17 Answers
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How to compare dates in Java? [duplicate]
...
602
Date has before and after methods and can be compared to each other as follows:
if(todayDate.a...
Static Initialization Blocks
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edited Mar 23 '16 at 22:10
Ted Hopp
218k4545 gold badges354354 silver badges470470 bronze badges
answer...