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Android adb “Unable to open sync connection!”
... computer's USB port. Sometimes disconnecting and reconnecting the cord worked but then it stopped working completely.
However, disabling USB debugging on the phone and then re-enabling it has worked so far. Hopefully it keeps working! These fixes really seem like silly hacks.. I'm not sure what th...
Rails - Could not find a JavaScript runtime?
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theTuxRacertheTuxRacer
11.9k66 gold badges3838 silver badges5858 bronze badges
...
Java abstract interface
...faces and their methods are implicitly abstract and adding that modifier makes no difference.
Is there other rules that applies with an abstract interface?
No, same rules apply. The method must be implemented by any (concrete) implementing class.
If abstract is obsolete, why is it included...
How to split a string and assign it to variables
...
Two steps, for example,
package main
import (
"fmt"
"strings"
)
func main() {
s := strings.Split("127.0.0.1:5432", ":")
ip, port := s[0], s[1]
fmt.Println(ip, port)
}
Output:
127.0.0.1 5432
One step, for example,
package mai...
How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
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concat.js is being included in the concat task's source files public/js/*.js. You could have a task that removes concat.js (if the file exists) before concatenating again, pass an array to explicitly define which files you want to concatenate and their order, or change ...
How can I get column names from a table in Oracle?
...
Make sure the table name is uppercase.
– Hugh Seagraves
Oct 9 '18 at 16:16
|
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Automatic exit from bash shell script on error [duplicate]
...o want to employ all or some of the the -e -u -x and -o pipefail options like so:
set -euxo pipefail
-e exits on error, -u errors on undefined variables, and -o (for option) pipefail exits on command pipe failures. Some gotchas and workarounds are documented well here.
(*) Note:
The shell do...
What's HTML character code 8203?
...r 'ZERO WIDTH SPACE' (U+200B).
this character is intended for line break control; it has no width, but its presence between two characters does not prevent increased letter spacing in justification
As per the given code sample, the entity is entirely superfluous in this context. It must be ins...
postgresql - sql - count of `true` values
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DanielDaniel
25.2k1616 gold badges8484 silver badges128128 bronze badges
...
How to create a hash or dictionary object in JavaScript [duplicate]
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Don't use an array if you want named keys, use a plain object.
var a = {};
a["key1"] = "value1";
a["key2"] = "value2";
Then:
if ("key1" in a) {
// something
} else {
// something else
}
...