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How to select where ID in Array Rails ActiveRecord without exception
... edited Jul 1 '16 at 21:10
Snowman
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answered Sep 17 '09 at 23:22
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Set margins in a LinearLayout programmatically
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Ha, ok I understand now. Was getting a bit lost in the layout system which is rather complicated. I don't think there's anyway to set layout_widgth/height at runtime.
– Timmmm
Mar 20 '10 at 10:51
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
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MessagePack now has a BINARY data type so the argument of 1-1 de-serialization compatibility to JSON is not entirely true anymore.
– zimbatm
Aug 19 '15 at 13:14
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xcopy file, rename, suppress “Does xxx specify a file name…” message
..."don't use xcopy". Doesn't really answer the question about xcopy at all, now does it?
– BrainSlugs83
Feb 3 '13 at 2:54
9
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How to Vertical align elements in a div?
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Now that flexbox support is increasing, this CSS applied to the containing element would vertically center the contained item:
.container {
display: flex;
align-items: center;
}
Use the prefixed version if ...
How can I use grep to find a word inside a folder?
...ve done a search for finding a word inside a folder. Similarly, I want to know if a specific word occurs inside a directory containing many sub-directories and files. My searches for grep syntax shows I must specify the filename, i.e. grep string filename .
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How can I delete all Git branches which have been merged?
...rep -v develop | sed 's/origin\///' | xargs -n 1 git push --delete origin. Now this turned out to be my alias.
– sarat
Aug 15 '15 at 12:19
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Read lines from a file into a Bash array [duplicate]
...a bash array is this:
IFS=$'\n' read -d '' -r -a lines < /etc/passwd
Now just index in to the array lines to retrieve each line, e.g.
printf "line 1: %s\n" "${lines[0]}"
printf "line 5: %s\n" "${lines[4]}"
# all lines
echo "${lines[@]}"
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Ignoring new fields on JSON objects using Jackson [duplicate]
...of your class (not to individual methods):
@JsonIgnoreProperties(ignoreUnknown = true)
public class Foo {
...
}
Depending on the jackson version you are using you would have to use a different import in the current version it is:
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
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How can I tell where mongoDB is storing data? (its not in the default /data/db!)
My host came with a mongodb instance and there is no /db directory so now I am wondering what I can do to find out where the data is actually being stored.
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