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Top Questions
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1958
Why is processing a sorted array faster than processing an unsorted array?
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326
Is assert evil?
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253
Difference between CLOCK_REALTIME and CLOCK_MONOTONIC?
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245
What do pty and tty mean?
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238
Retrieve CPU usage and memory usage of a single process on Linux?
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233
How large should my recv buffer be when calling recv in the socket library
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220
How to generate an openSSL key using a passphrase from the command line?
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200
Is there an alternative sleep function in C to milliseconds?
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180
Why should you use strncpy instead of strcpy?
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167
Finding duplicates in O(n) time and O(1) space
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165
Finding out what the GCC include path is
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154
How to calculate the CPU usage of a process by PID in Linux from C?
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153
Converting an int into a 4 byte char array (C)
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146
Calling pthread_cond_signal without locking mutex
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144
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k are missing
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139
What range of values can integer types store in C++
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126
How to compile a 32-bit binary on a 64-bit linux machine with gcc/cmake
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123
In LINUX determine if a .a library/archive 32-bit or 64-bit?
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122
Check the open FD limit for a given process in Linux
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120
Context switch internals
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119
Is it possible to determine the thread holding a mutex?
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114
Monitoring multiple ports in tcpdump
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112
C: using clock() to measure time in multi-threaded programs
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111
unix domain socket VS named pipes?
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110
How to compile .c file with OpenSSL includes?
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96
What can cause a “Resource temporarily unavailable” on sock send() command
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92
LINUX: Link all files from one to another directory
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86
How are multi-dimensional arrays formatted in memory?
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84
When is TCP option SO_LINGER (0) required?
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84
what's the differences between r and rb in fopen
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