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Rails Model find where not equal
... edited May 23 '17 at 12:10
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answered Sep 12 '11 at 17:54
Vikrant ChaudharyVi...
Fastest Way of Inserting in Entity Framework
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To your remark in the comments to your question:
"...SavingChanges (for each
record)..."
That's the worst thing you can do! Calling SaveChanges() for each record slows bulk inserts extremely down. I would do a few simple tests which will v...
How can I check the size of a collection within a Django template?
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See https://docs.djangoproject.com/en/stable/ref/templates/builtins/#if : just use, to reproduce their example:
{% if athlete_list %}
Number of athletes: {{ athlete_list|length }}
{% else %}
No athletes.
{% endif %}
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How to replace DOM element in place using Javascript?
...y>
<div>
<a id="myAnchor" href="http://www.stackoverflow.com">StackOverflow</a>
</div>
<script type="text/JavaScript">
var myAnchor = document.getElementById("myAnchor");
var mySpan = document.createElement("span");
mySpan.innerHTML = "replaced anchor!"...
How do I remove newlines from a text file?
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tr -d '\n' < yourfile.txt
Edit:
If none of the commands posted here are working, then you have something other than a newline separating your fields. Possibly you have DOS/Windows line endings in the file (although I would expect the Perl solutions to work even in that ca...
How to obtain a Thread id in Python?
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How do you rename a table in SQLite 3.0?
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Moment JS - check if a date is today or in the future
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After reading the documentation: http://momentjs.com/docs/#/displaying/difference/, you have to consider the diff function like a minus operator.
// today < future (31/01/2014)
today.diff(future) // today - future < 0
future.diff(today) // future -...
Fastest way to extract frames using ffmpeg?
...ing step is too performance intensive, you could always store the frames uncompressed as BMP images:
ffmpeg -i file.mpg -r 1/1 $filename%03d.bmp
This also has the advantage of not incurring more quality loss through quantization by transcoding to JPEG. (PNG is also lossless but tends to take much...
android:drawableLeft margin and/or padding
... issue of this code is it causes passwordToggleDrawable left padding gap become bigger since it can't specific target to left drawable only.
– Fruit
Jan 10 '19 at 18:51
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