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Hidden features of C
...iltin_expect((x),1)
#define unlikely(x) __builtin_expect((x),0)
see: http://kerneltrap.org/node/4705
What I like about this is that it also adds some expressiveness to some functions.
void foo(int arg)
{
if (unlikely(arg == 0)) {
do_this();
return;
}
do_t...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...st, reinterpret_cast.
(Also referes this to understand the explaination : http://www.cplusplus.com/doc/tutorial/typecasting/)
static_cast :
OnEventData(void* pData)
{
......
// pData is a void* pData,
// EventData is a structure e.g.
// typedef struct _EventData {
// std::strin...
How to split a delimited string into an array in awk?
How to split the string when it contains pipe symbols | in it.
I want to split them to be in array.
9 Answers
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
Every time I have to iterate over a collection I end up checking for null, just before the iteration of the for-each loop starts. Like this:
...
foreach with index [duplicate]
Is there a C# equivalent of Python's enumerate() and Ruby's each_with_index ?
10 Answers
...
ISO time (ISO 8601) in Python
I have a file. In Python, I would like to take its creation time, and convert it to an ISO time (ISO 8601) string while preserving the fact that it was created in the Eastern Time Zone (ET) .
...
How to deserialize a JObject to .NET object
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Search All Fields In All Tables For A Specific Value (Oracle)
Is it possible to search every field of every table for a particular value in Oracle?
16 Answers
...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
In JDK 8 with lambda b93 there was a class java.util.stream.Streams.zip in b93 which could be used to zip streams (this is illustrated in the tutorial Exploring Java8 Lambdas. Part 1 by Dhananjay Nene ). This function :
...
Replace whitespaces with tabs in linux
How do I replace whitespaces with tabs in linux in a given text file?
10 Answers
10
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