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Print All JVM Flags
...entalVMOptions -XX:+PrintFlagsFinal -XX:+PrintFlagsWithComments -version.
From the directory with the sources, you could execute (assuming you are using Linux, Cygwin or the like):
grep -FR 'UnlockExperimentalVMOptions' hotspot/
Or, the following (which only looks at *.cpp and *.hpp files):
fin...
How do you check if a variable is an array in JavaScript? [duplicate]
...Also note that when testing if is array with an object created (or passed) from another frame, most of the tests will fail (since the Array in given window is different than Array in frame window). Also there is a catch if an array is constructed via new Array or literaly as [..]
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What is a provisioning profile used for when developing iPhone applications?
...
A Quote from : iPhone Developer Program (~8MB PDF)
A provisioning profile is a collection of digital entities that uniquely ties developers and devices to an authorized iPhone Development Team and enables a device to be used for ...
Android imageview not respecting maxWidth?
...eview that should display an arbitrary image, a profile picture downloaded from the internet. I want this the ImageView to scale its image to fit inside the height of the parent container, and a set max width of 60dip. However, if the image is tall ratio-wise, and doesn't need the full 60dip of widt...
(How) can I count the items in an enum?
... possible enum value).
Personally, I feel like Folders_MAX = FC stands out from other entries out a bit more (making it a bit harder to accidentally add enum values without updating the max value, a problem Martin York referenced).
GCC includes helpful warnings like "enumeration value not included i...
Regex Email validation
...ator.com, and such. This doesn't do anything to verify whether an email is from a throwaway domain or not.
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Python: finding an element in a list [duplicate]
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From Dive Into Python:
>>> li
['a', 'b', 'new', 'mpilgrim', 'z', 'example', 'new', 'two', 'elements']
>>> li.index("example")
5
s...
How do I read an entire file into a std::string in C++?
...ependent units (functions, classes, etc). Adding functions doesn't detract from conciseness; quite the contrary.
– Konrad Rudolph
Feb 12 '16 at 8:47
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Is there a function to make a copy of a PHP array to another?
...array with numeric keys will be renumbered with incrementing keys starting from zero in the result array.
– zamnuts
Nov 21 '13 at 18:55
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...tly the same way your application can. You could still get some protection from some SQL injection attacks and misplaced db backups if you store a secret key in a file and use that to encrypt on the way to the db and decrypt on the way out. But you should use bindparams to completely avoid the issue...