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How to do a batch insert in MySQL
... within
parentheses and separated by commas.
Example:
INSERT INTO tbl_name (a,b,c) VALUES(1,2,3),(4,5,6),(7,8,9);
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Best way to check if a Data Table has a null value in it
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I will do like....
(!DBNull.Value.Equals(dataSet.Tables[6].Rows[0]["_id"]))
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Can I escape html special chars in javascript?
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Using lodash
_.escape('fred, barney, & pebbles');
// => 'fred, barney, & pebbles'
source code
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How to check if a value exists in an array in Ruby
... as pointed out by @campaterson. So within Rails, or if you require 'active_support', you can write:
'Unicorn'.in?(['Cat', 'Dog', 'Bird']) # => false
OTOH, there is no in operator or #in? method in Ruby itself, even though it has been proposed before, in particular by Yusuke Endoh a top notch ...
Convert xlsx to csv in Linux with command line
...dsheet formats:
$ ssconvert Book1.xlsx newfile.csv
Using exporter Gnumeric_stf:stf_csv
$ cat newfile.csv
Foo,Bar,Baz
1,2,3
123.6,7.89,
2012/05/14,,
The,last,Line
To install on Ubuntu:
apt-get install gnumeric
To install on Mac:
brew install gnumeric
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How can I manipulate the strip text of facet_grid plots?
...ulating not the plot title but the text that appears in facet titles (strip_h).
3 Answers
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Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...w copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Attaching to process 5636
Reading symbols from /usr/bin/tail...(no debugging symbols found)...done.
Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/librt.so....
How do you serve a file for download with AngularJS or Javascript?
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Try this
<a target="_self" href="mysite.com/uploads/ahlem.pdf" download="foo.pdf">
and visit this site it could be helpful for you :)
http://docs.angularjs.org/guide/
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How to use Git for Unity3D source control?
...unityproj
*.booproj
# ============ #
# OS generated #
# ============ #
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
ehthumbs.db
Thumbs.db
Unity3D Settings
For versions of Unity 3D v4.3 and up:
(Skip this step in v4.5 and up) Enable External option in Unity → Preferences → Packages →...
Do checkbox inputs only post data if they're checked?
...lt. However, if you are not interested in the value, just use:
if (isset($_POST['the_checkbox'])){
// name="the_checkbox" is checked
}
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