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How to initialise memory with new operator in C++?
...l. You can use STL containers to do just about anything you would do with raw memory, including allocating and initializing all in one fell swoop:
std::vector<int> myInts(100, 0); // creates a vector of 100 ints, all set to zero
...
Spring Data JPA find by embedded object property
...f naming conventions(i.e. to many Caps , especially in the beginning - 2nd letter (not sure about if this is the only case though)
Page<QueuedBook> findByBookIdCRcdDel(String cRcdDel, Pageable pageable);
or
Page<QueuedBook> findByBookIdCRcdDel(String cRcdDel, Pageable pageable);
...
Is MD5 still good enough to uniquely identify files?
...
Personally i think people use raw checksums (pick your method) of other objects to act as unique identifiers way too much when they really want to do is have unique identifiers. Fingerprinting an object for this use wasn't the intent and is likely to req...
How do I strip non alphanumeric characters from a string and keep spaces?
...
Just to precise, this remove all accented letters and may not be adapted to some languages.
– Uelb
Nov 25 '15 at 16:25
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uint8_t vs unsigned char
...8 bits. Both places are where space matters and we often need to look at a raw dump of the data when debugging and need to be able to quickly determine what it represents.
The first is in RF protocols, especially in narrow-band systems. In this environment we may need to pack as much information as...
What is the difference between compile code and executable code?
...t code.
Linking is the act of combining object code with libraries into a raw executable.
Building is the sequence composed of compiling and linking, with possibly other tasks such as installer creation.
Many compilers handle the linking step automatically after compiling source code.
...
How does Facebook Sharer select Images and other metadata when sharing my URL?
...t Facebook accepting the changes?
Once a url has been shared, Facebook's crawler, which has a user agent of facebookexternalhit/1.1 (+https://www.facebook.com/externalhit_uatext.php), will access your page and cache the meta information. To force Facebook servers to clear the cache, use the Facebo...
getExtractedText on inactive InputConnection warning on android
...ing text around the cursor,
committing text to the text box, and sending raw key events to the
application.
In addition, further reading shows
getExtractedText():
This method may fail either if the input connection has become invalid
(such as its process crashing) or the client is taki...
Is there a built in function for string natural sort?
...analyse the data. The digit capacity of all elements is 2. And there are 3 letters in common literal part 'elm'.
So, the maximal length of element is 5. We can increase this value to make sure (for example, to 8).
Bearing that in mind, we've got a one-line solution:
data.sort(key=lambda x: '{0:0...
Chmod recursively
...
You can use chmod with the X mode letter (the capital X) to set the executable flag only for directories.
In the example below the executable flag is cleared and then set for all directories recursively:
~$ mkdir foo
~$ mkdir foo/bar
~$ mkdir foo/baz
~$ tou...