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namedtuple and default values for optional keyword arguments
...>> Node()
Node(val=None, left=None, right=None)
Before Python 3.7
Set Node.__new__.__defaults__ to the default values.
>>> from collections import namedtuple
>>> Node = namedtuple('Node', 'val left right')
>>> Node.__new__.__defaults__ = (None,) * len(Node._field...
How can I remove the decimal part from JavaScript number?
I have the results of a division and I wish to discard the decimal portion of the resultant number.
14 Answers
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CMake: Project structure with unit tests
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Where is TEST_SOURCE_DIR set?
– aggsol
Jul 21 '16 at 9:41
6
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How do you get the Git repository's name in some Git repository?
When you are working in some Git directory, how can you get the Git repository name in some Git repository? Are there any Git commands?
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Interface vs Abstract Class (general OO)
...ve had recently two telephone interviews where I've been asked about the differences between an Interface and an Abstract class. I have explained every aspect of them I could think of, but it seems they are waiting for me to mention something specific, and I don't know what it is.
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What is the MySQL JDBC driver connection string?
...own Windows Service name to connect too.
Construct the url accordingly and set the url to connect.
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PHP expects T_PAAMAYIM_NEKUDOTAYIM?
...t could represent a value which is meant to be changed by a user - like DB settings or some true / false values and other value types which the code developer don't know at design-time. This is common for APIs or code frameworks. I just don't understand why the developers of the Zend parser didn't u...
Dual emission of constructor symbols
...e improved in the future.
This newsgroup posting describes a problem with setting breakpoints in constructors due to this dual-emission. It's stated again that the root of the issue is support for polymorphism.
In fact, this is listed as a GCC "known issue":
G++ emits two copies of constructors ...
Determining 32 vs 64 bit in C++
...rs use for determining if it's a 64 bit environment or not and use that to set my variables.
// Check windows
#if _WIN32 || _WIN64
#if _WIN64
#define ENVIRONMENT64
#else
#define ENVIRONMENT32
#endif
#endif
// Check GCC
#if __GNUC__
#if __x86_64__ || __ppc64__
#define ENVIRONMENT64
#else
#define ...
Postgres: SQL to list table foreign keys
Is there a way using SQL to list all foreign keys for a given table? I know the table name / schema and I can plug that in.
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