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How to enumerate a range of numbers starting at 1
... in the list, it offsets the index by the start value, so you would get an array out of bounds if you did something like: sequence[i] in your code.
– phyatt
Dec 5 '17 at 21:14
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PHP how to get local IP of system
... This answer is WAY better than the others. Any reliance on the $_SERVER array is dependent on this running under Apache. This idea also works on a cron job. I'm using it to only execute certain functions if a server is running on the staging or the production LAN. Perfect!
–...
How do I find the caller of a method using stacktrace or reflection?
...).getStackTrace()
According to the Javadocs:
The last element of the array represents the bottom of the stack, which is the least recent method invocation in the sequence.
A StackTraceElement has getClassName(), getFileName(), getLineNumber() and getMethodName().
You will have to experimen...
shortcut for creating a Map from a List in groovy?
...s method is available throughout my code.
EDIT:
to add the method to all arrays...
Object[].metaClass.collectMap = collectMap
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DbEntityValidationException - How can I easily tell what caused the error?
...ls. The validation errors are: The field PhoneNumber
must be a string or array type with a maximum length of '12'; The
LastName field is required.
You can drop the overridden SaveChanges in any class that inherits from DbContext:
public partial class SomethingSomethingEntities
{
public ov...
How to determine the memory footprint (size) of a variable?
...
It's a terrible approximation. Every item in an array in PHP is ~80 bytes, yet strlen(serialize(array(1,2,3))) is 30.
– gsnedders
Feb 10 '13 at 22:22
2
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Remove a cookie
...ce and cares about cookies that exist with null values, you'll need to use array_key_exists() instead, since a cookie with a null value won't get found by an isset() check.
– Leith
Aug 5 '16 at 1:47
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Warning the user/local/mysql/data directory is not owned by the mysql user
....mysqld</string>
<key>ProgramArguments</key>
<array>
<string>/usr/local/mysql/bin/mysqld_safe</string>
<string>--user=mysql</string>
</array>
</dict>
</plist>
Save it and then:
sudo chown root:whee...
Accurate way to measure execution times of php scripts
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You can use REQUEST_TIME from the $_SERVER superglobal array. From the documentation:
REQUEST_TIME
The timestamp of the start of the request. (Available since PHP 5.1.0.)
REQUEST_TIME_FLOAT
The timestamp of the start of the request, with microsecond precision. (Avail...
Are PHP Variables passed by value or by reference?
...ass by reference has some performance benefits or not? I'm passing a large array & by default it is pass by value. So, if I use call by reference then, will there be some performance wise benefit??? (keeping the array values unchanged during the whole process)
– Choxx
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