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In php, is 0 treated as empty?

... In case of numeric values you should use is_numeric function: $var = 0; if (is_numeric($var)) { echo "Its not empty"; } else { echo "Its empty"; } share | ...
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POSTing a @OneToMany sub-resource association in Spring Data REST

...ion resource (considered to be $association_uri in the following), it generally takes these steps: Discover the collection resource managing comments: curl -X GET http://localhost:8080 200 OK { _links : { comments : { href : "…" }, posts : { href : "…" } } } Follow the comments l...
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Convert JSON string to dict using Python

...he vague nomenclature used. Here is what I wrote to combat this: def read_json(json_data): if (type(json_data) == str): return json.loads(json_data) elif (str(type(json_data)) == "<class '_io.TextIOWrapper'>"): return json.load(json_data) I'm sure this can be improv...
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?

...e NDK documents. Ever since the release NDK-r6, it has provided a utility called ndk-stack. Following is the content from official NDK documents with the NDK-r9 tar ball. Overview: ndk-stack is a simple tool that allows you to filter stack traces as they appear in the output of 'adb logcat' and r...
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Uses of Action delegate in C# [closed]

... Here is a small example that shows the usefulness of the Action delegate using System; using System.Collections.Generic; class Program { static void Main() { Action<String> print = new Action<String>(Program...
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Getting raw SQL query string from PDO prepared statements

Is there a way to get the raw SQL string executed when calling PDOStatement::execute() on a prepared statement? For debugging purposes this would be extremely useful. ...
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Use RSA private key to generate public key?

I don't really understand this one: 9 Answers 9 ...
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Can you attach a UIGestureRecognizer to multiple views?

...rray...: >; layer = <CALayer: ...>>) at a time, this was never allowed, and is now enforced. Beginning with iOS 9.0 it will be put in the first view it is loaded into. – George Brown Jan 5 '16 at 21:54 ...
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String difference in Bash

...e is some difference between the two strings? – alpha_989 Aug 10 '17 at 15:28 @alpha_989 , here's your answer: $ diff ...
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What does the @ symbol before a variable name mean in C#? [duplicate]

...name is recorded in the assembly as "class", vs. with an underscore it is "_class". Thus, if another .NET language doesn't define "class" as a reserved word, they could use the name just "class". – P Daddy Jan 9 '09 at 20:23 ...