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cleanest way to skip a foreach if array is empty [duplicate]
... code with an unnecessary if statement. If $items is empty php throws an error.
11 Answers
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How to get the Power of some Integer in Swift language?
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Other than that your variable declarations have syntax errors, this works exactly how you expected it to. All you have to do is cast a and b to Double and pass the values to pow. Then, if you're working with 2 Ints and you want an Int back on the other side of the operation, just...
back button callback in navigationController in iOS
...o UINavigationBarDelegate, trying to call it will result in a compile time error. The solution I went with is to use Objective-C runtime to get the implementation directly and call it. Please let me know if anyone has a better solution.
The other problem is that navigationBar(_:shouldPop:) is calle...
In which case do you use the JPA @JoinTable annotation?
... recent versions of Hibernate refuse to start up by printing the following error:
org.hibernate.AnnotationException:
Associations marked as mappedBy must not define database mappings
like @JoinTable or @JoinColumn
Let's pretend that you have an entity named Project and another entity na...
Change the Target Framework for all my projects in a Visual Studio Solution
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Great but on my system i got an error script1.ps1 cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies so i run command set-executionpolicy remotesigned to fix that.
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Can you give a Django app a verbose name for use throughout the admin?
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answered Dec 2 '14 at 17:05
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How to get the directory of the currently running file?
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Is it possible for there to be an error here? If so, what would the error be, just out of curiosity?
– Jeff Escalante
Jun 30 '14 at 15:59
4...
How to allocate aligned memory only using the standard library?
...n successful completion, posix_memalign() shall return zero; otherwise, an error number shall be returned to indicate the error.
Either or both of these could be used to answer the question now, but only the POSIX function was an option when the question was originally answered.
Behind the scenes...
“Unknown class in Interface Builder file” error at runtime
Even though Interface Builder is aware of a MyClass , I get an error when starting the application.
46 Answers
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GCM with PHP (Google Cloud Messaging)
...Actually send the request
$result = curl_exec($ch);
// Handle errors
if (curl_errno($ch)) {
echo 'GCM error: ' . curl_error($ch);
}
// Close curl handle
curl_close($ch);
// Debug GCM response
echo $result;
}
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