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Why is $$ returning the same id as the parent process?

... $! if we're talking about background processes? PID isn't set to anything by default. – Isaac Freeman Sep 12 '19 at 22:27 ...
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How to change a field name in JSON using Jackson

... imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
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Get Specific Columns Using “With()” Function in Laravel Eloquent

... Well I found the solution. It can be done one by passing a closure function in with() as second index of array like Post::with(array('user'=>function($query){ $query->select('id','username'); }))->get(); It will only select id and username from ...
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Why switch is faster than if

... Because there are special bytecodes that allow efficient switch statement evaluation when there are a lot of cases. If implemented with IF-statements you would have a check, a jump to the next clause, a check, a jump to the next clause and so on. Wit...
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How do I handle ImeOptions' done button click?

... up with a combination of Roberts and chirags answers: ((EditText)findViewById(R.id.search_field)).setOnEditorActionListener( new EditText.OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { // Identifier of the acti...
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How can I dynamically create a selector at runtime with Objective-C?

...ing around"... You need to create a function pointer that will be called by your "new" method.. so for a method like [self theMethod:(id)methodArg];, you'd write... void (^impBlock)(id,id) = ^(id _self, id methodArg) { [_self doSomethingWith:methodArg]; }; and then you need to generate...
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Picking a random element from a set

... "this method must allocate a new array even if this collection is backed by an array" – anton1980 Nov 22 '14 at 3:19  |  show 2 more comments...
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How exactly does the android:onClick XML attribute differ from setOnClickListener?

...in two different ways. Code Implementation Button btn = (Button) findViewById(R.id.mybutton); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { myFancyMethod(v); } }); // some more code public void myFancyMethod(View v) { // does...
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jQuery: How can i create a simple overlay?

...hare your discovery on the question to make it easier on Googler's passing by! ;) – Frankie Oct 13 '10 at 10:01 6 ...
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Error Code: 1005. Can't create table '…' (errno: 150)

...SET NULL, but the relevant key field is set to NOT NULL. You can fix this by either changing your cascade or setting the field to allow NULL values. Make sure that the Charset and Collate options are the same both at the table level as well as individual field level for the key columns. You have a ...