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LINQ: “contains” and a Lambda query
... get; set; }
}
public static List <Building> buildingList = new List<Building> ()
{
new Building () { Name = "one", Status = Building.StatusType.open },
new Building () { Name = "two", Status = Building.StatusType.closed },
new Building () { Name = "t...
namespaces for enum types - best practices
...re ahead of the curve and probably don't need to scrutinize this further.
Newer, C++11 advice:
If you are using C++11 or later, enum class will implicitly scope the enum values within the enum's name.
With enum class you will lose implicit conversions and comparisons to integer types, but in prac...
Amazon S3 direct file upload from client browser - private key disclosure
...n = 'your-region'; // 1. Enter your region
AWS.config.credentials = new AWS.CognitoIdentityCredentials({
IdentityPoolId: 'your-IdentityPoolId' // 2. Enter your identity pool
});
AWS.config.credentials.get(function(err) {
if (err) alert(err);
console.log(...
Android EditText delete(backspace) key event
...CODE_DEL (Really that name is very confusing! )
editText.setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
//You can identify which key pressed buy checking keyCode value with KeyEvent.KEYCODE_
if(ke...
How to safely call an async method in C# without await
...blic static async Task MyAsyncMethod()
{
await Task.Run(() => { throw new Exception("thrown on background thread"); });
}
public static void OnMyAsyncMethodFailed(Task task)
{
Exception ex = task.Exception;
// Deal with exceptions here however you want
}
GetStringData() returns early wit...
How the single threaded non blocking IO model works in Node.js
...t mark the process (in kernel/OS level data structure) to be notified when new data or events are available. In case of a web-server-like app, the process is then responsible to figure out which request/context the notified event belongs to and proceed processing the request from there. Note that th...
Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?
...ire the change event instead of calling the click() elm.dispatchEvent(new Event('change'));
– Victor Sharovatov
Feb 6 '16 at 8:48
...
When should I use GET or POST method? What's the difference between them?
...gh $_GET['id']), but let's say that you want to change the article-id. The new id may then be present in the request body ($_POST['id']). OK, perhaps that's not the best example, but I hope it illustrates the difference between the two.
...
Using new line(\n) in string and rendering the same in HTML
...
Use <br /> for new line in html:
display_txt = display_txt.replace(/\n/g, "<br />");
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How to specify jackson to only use fields - preferably globally
... can configure individual ObjectMappers like this:
ObjectMapper mapper = new ObjectMapper();
mapper.setVisibility(mapper.getSerializationConfig().getDefaultVisibilityChecker()
.withFieldVisibility(JsonAutoDetect.Visibility.ANY)
.withGetterVisibility(JsonAutoDetect.V...