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How to port data-only volumes from one host to another?
...good for quick maintenance
tar cvf /backup/backup.tar /data: creates an uncompressed tar file of all the files in the /data directory
RESTORE:
# create a new data container
$ sudo docker create -v /data --name DATA2 busybox true
# untar the backup files into the new container᾿s data volume
$ s...
Is there a difference between /\s/g and /\s+/g?
...e same way.
If you change the replacement string to '#', the difference becomes much clearer:
var str = ' A B C D EF ';
console.log(str.replace(/\s/g, '#')); // ##A#B##C###D#EF#
console.log(str.replace(/\s+/g, '#')); // #A#B#C#D#EF#
...
Difference between `npm start` & `node app.js`, when starting app?
I have installed an application using the command express new 'filename' . I have just learned that you can start an application using:
...
Sort a Map by values
...iendly version:
public class MapUtil {
public static <K, V extends Comparable<? super V>> Map<K, V> sortByValue(Map<K, V> map) {
List<Entry<K, V>> list = new ArrayList<>(map.entrySet());
list.sort(Entry.comparingByValue());
Map&...
Collapsing Sidebar with Bootstrap
...This "off-canvas" example should help to get you started.
https://codeply.com/p/esYgHWB2zJ
Basically you need to wrap the layout in an outer div, and use media queries to toggle the layout on smaller screens.
/* collapsed sidebar styles */
@media screen and (max-width: 767px) {
.row-offcanvas {...
.aspx vs .ashx MAIN difference
... in response to a
request made to an ASP.NET Web
application. The most common handler
is an ASP.NET page handler that
processes .aspx files. When users
request an .aspx file, the request is
processed by the page through the page
handler.
The image below illustrates this:
As to your...
GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...)
The User guide for Gson Explains how to deal with this:
https://github.com/google/gson/blob/master/UserGuide.md
This will work:
ChannelSearchEnum[] enums = gson.fromJson(yourJson, ChannelSearchEnum[].class);
But this is better:
Type collectionType = new TypeToken<Collection<ChannelSea...
Convert unix time to readable date in pandas dataframe
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HTML anchor link - href and onclick both?
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Flatten List in LINQ
... of the select feature, so I would have expected the language designers to come up with a shortcut syntax specifically for lists of lists
– Andy
Feb 9 '17 at 12:15
add a comme...