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Android - Writing a custom (compound) component
...eveloping has a main activity that has grown quite large. This is mainly because it contains a TabWidget with 3 tabs. Each tab has quite a few components. The activity has to control of all those components at once. So I think you can imagine that this Activity has like 20 fields (a field for almo...
Can't find how to use HttpContent
...new StringContent(JsonConvert.SerializeObject(model), Encoding.UTF8, "application/json");
var response = await httpClient.PostAsync("http://www.sample.com/write", stringContent);
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How to center horizontally div inside parent div
...ll set the margin for the top and bottom to zero, and the sides to automatically fit. This centers the div.
div#child {
margin: 0 auto;
}
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Print commit message of a given commit in git
...olutely need a "plumbing" command (not sure why that's a requirement), you can use rev-list:
$ git rev-list --format=%B --max-count=1 <commit>
Although rev-list will also print out the commit sha (on the first line) in addition to the commit message.
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Is it possible to delete an object's property in PHP?
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@YanickRochon this can make sense if you want to merge the properties of two objects (that have no method, they just are used as storage medium): in this case, the fastest and simplest route is to convert both objects into arrays to apply array...
Difference between var_dump,var_export & print_r
...'s a good idea to use if you know the types of elements in your array, but can be misleading otherwise. print_r by default prints the result, but allows returning as string instead by using the optional $return parameter.
Array (
[0] =>
[1] =>
[2] => 42
[3] => Array ([0]...
JSR-303 @Valid annotation not working for list of child objects
...xample code: Hibernate Validator- Object Graph. (The list of passengers in Car)
Edit From Hibernate Validator 6 Reference doc:
In versions prior to 6, Hibernate Validator supported cascaded validation for a subset of container elements and it was implemented at the container level (e.g. you wou...
How to write a Ruby switch statement (case…when) with regex and backreferences?
I know that I can write a Ruby case statement to check a match against a regular expressions.
However, I'd like to use the match data in my return statement. Something like this semi-pseudocode:
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ASP.NET web.config: configSource vs. file attributes
Within an web.config -file in an ASP.NET-application some sections of config, like appSettings and connectionStrings , supports the attributes file and configSource .
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Non-static method requires a target
I have a controller action that works fine on Firefox both locally and in production, and IE locally, but not IE in production. Here is my controller action:
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