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How to call an async method from a getter or setter?
...ject or use an async InitAsync() method. The data-bound value will be default(T) until the value is calculated/retrieved.
A value that is expensive to create, but should be cached for future use. In this case, use AsyncLazy from my blog or AsyncEx library. This will give you an awaitable property.
...
In Bash, how do I add a string after each line in a file?
...e:
suffix=foobar
while read l ; do printf '%s\n' "$l" "${suffix}" ; done < file |
sponge file
xargs and printf:
suffix=foobar
xargs -L 1 printf "%s${suffix}\n" < file | sponge file
Using join:
suffix=foobar
join file file -e "${suffix}" -o 1.1,2.99999 | sponge file
Shell tools using pas...
Remove all classes that begin with a certain string
... for this:
var prefix = "prefix";
var classes = el.className.split(" ").filter(function(c) {
return c.lastIndexOf(prefix, 0) !== 0;
});
el.className = classes.join(" ").trim();
or as a jQuery mixin:
$.fn.removeClassPrefix = function(prefix) {
this.each(function(i, el) {
var class...
How to read a (static) file from inside a Python package?
... templates are located in a folder nested inside your module's package:
<your-package>
+--<module-asking-the-file>
+--templates/
+--temp_file <-- We want this file.
Note 1: For sure, we should NOT fiddle with the __file__ attribute (e.g. c...
Zip lists in Python
...
When you zip() together three lists containing 20 elements each, the result has twenty elements. Each element is a three-tuple.
See for yourself:
In [1]: a = b = c = range(20)
In [2]: zip(a, b, c)
Out[2]:
[(0, 0, 0),
(1, 1, 1),
...
(17, 17, 17),
(18, 18, 18),
(19, 19, 19)]
To find out h...
How to style CSS role
...v,
span {
padding: 5px;
margin: 5px;
display: inline-block;
}
<div id="content" role="main">
<span role="main">Hello</span>
</div>
share
|
improve this ...
Viewing complete strings while debugging in Eclipse
...ods.
org.apache.commons.io.FileUtils.writeStringToFile(new java.io.File("<filename>"), <expression to evaluate>);
Naturally, you will need the Commons IO JAR in your classpath for that to work. If you don't, resort to JDK work.
...
Is there a way to loop through a table variable in TSQL without using a cursor?
... here
Update ATable Set Processed = 1 Where Id = @Id
End
Another alternative is to use a temporary table:
Select *
Into #Temp
From ATable
Declare @Id int
While (Select Count(*) From #Temp) > 0
Begin
Select Top 1 @Id = Id From #Temp
--Do some processing here
Delete ...
How should I handle “No internet connection” with Retrofit on Android
...(retrofitError.getKind() == RetrofitError.Kind.NETWORK)
{
}
there are multiple types of errors you can handle:
NETWORK An IOException occurred while communicating to the server, e.g. Timeout, No connection, etc...
CONVERSION An exception was thrown while (de)serializing a body.
HTTP A non-200 ...
bundle install returns “Could not locate Gemfile”
...
BTW you can find your app directory by using the whereis <app_name> command, ussualy the Gemfile is under /usr/shared/*
– 4gus71n
Jun 6 '15 at 14:55
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