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Random row from Linq to Sql
... select row).FirstOrDefault();
Note that this is only suitable for small-to-mid-size tables; for huge tables, it will have a performance impact at the server, and it will be more efficient to find the number of rows (Count), then pick one at random (Skip/First).
for count approach:
var qry...
How do I list one filename per output line in Linux?
...s -1a
First, though, make sure your ls supports -1. GNU coreutils (installed on standard Linux systems) and Solaris do; but if in doubt, use man ls or ls --help or check the documentation. E.g.:
$ man ls
...
-1 list one file per line. Avoid '\n' with -q or -b
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Hide text using css
...ow: hidden" to prevent seird selection box shooting off to the left (especially with links)
– willoller
Jan 23 '09 at 4:03
4
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Is there a splice method for strings?
...
You can add this globally with: String.prototype.splice = function (index, count, add) { return this.slice(0, index) + (add || "") + this.slice(index + count); } Just keep in mind it doesn't work exactly the same as the array sp...
JQuery - $ is not defined
...ge is fully loaded, and as such, before jQuery is fully loaded.
First of all, ensure, what script is call properly, it should looks like
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
and shouldn't have attributes async...
Get specific line from text file using just shell script
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@KanagaveluSugumar read sed's info page. 5!d means delete all lines except 5. shell var is possible, you need double quotes.
– Kent
Apr 24 '14 at 10:15
13
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Why use Gradle instead of Ant or Maven? [closed]
What does another build tool targeted at Java really get me?
9 Answers
9
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How to click or tap on a TextView text
...Don't forget the clickable attribute, without it, the click handler isn't called.
main.xml
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<TextView
android:id="@+id/click"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Click Me"
androi...
Maximum number of threads in a .NET app?
...ds(out workerThreads, out completionPortThreads);
– JALLRED
Jun 9 '14 at 17:03
1
@MitchWheat I wa...
How to check if any flags of a flag combination are set?
...d point... and enums also implement IFormattable and IComparable. However, all numeric types implement those interfaces too, so it's not enough to exclude them
– Thomas Levesque
Apr 20 '12 at 23:09
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