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How to debug a bash script? [closed]
... 3:
for x in $ARRAY; do
^-- SC2128: Expanding an array without an index only gives the first element.
fix the bug, first try...
$ cat test.sh
ARRAY=("hello there" world)
for x in ${ARRAY[@]}; do
echo $x
done
$ shellcheck test.sh
In test.sh line 3:
for x in ${ARRAY[@]}; do
...
Creating .pem file for APNS?
...ed the above steps and now its working.I have kept the certificate and the php script on my local web server (Xampp). I am able to get the device token , and i am using it in the php script. The php script is able to connect and send payload data. But still then i am not able to get the PUSH Notifi...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活内容管理选择了phpcms v9，社区论坛选择了discuz X3 2，现在需要实现两个系统的同步注册、登陆、退出。discuz所属康盛公司为我们提供了解决方案，那就是通过UCenter实现多系统间通...
How to convert a PNG image to a SVG? [closed]
... Here is an explanation how to do this in Inkscape: wiki.inkscape.org/wiki/index.php/Potrace
– Erel Segal-Halevi
Oct 9 '12 at 6:43
...
Convert Elixir string to integer or float
...
How to use it in functions? My best solution is fn q -> {v, _} = Float.parse(q); v end which I don't like. I like to use it in Enum.map, e.g. list |> Enum.map(&String.to_float/1) but string.to_float doesn't work for integer numbers?
– Zhomart
...
What is the difference between '/' and '//' when used for division?
...
also python -Qnew. other division options: -Qold (default), -Qwarn, -Qwarnall
– John La Rooy
Nov 10 '09 at 0:13
2
...
How to check for null in Twig?
...
In addition, unlike the PHP isset() function, is defined will return true if a variable is defined and it's value is null.
– Pavel Petrov
Sep 19 '17 at 7:59
...
How to delete every other line in Vim?
...art in command mode.
Go to the beginning of the file by pressing gg.
Press qq.
Click arrow down and press dd after.
Press q.
Press 10000@q
PS: To go to command mode just press Escape a couple of times.
share
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...
Set Additional Data to highcharts series
.../ restructure the data as an array as Highcharts expects it
// array index 0 is the x value, index 1 is the y value in the chart
data: chartData.map(row => [row.timestamp, row.value])
}]
})
This approach will work for all chart types.
...
How to search contents of multiple pdf files?
...
@sjr no, while the pdfgrep solution is good for really quick and simple searches, often I want to get some context, as a single line won't be helpful enough -- so as I added to this answer: For instance, you can add the -C5 option before "your pattern" to include 5 lines of conte...