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Switching between GCC and Clang/LLVM using CMake
...C_FLAGS_DEBUG_INIT "-g")
SET (CMAKE_C_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
SET (CMAKE_C_FLAGS_RELEASE_INIT "-O3 -DNDEBUG")
SET (CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "-O2 -g")
SET (CMAKE_CXX_FLAGS_INIT "-Wall")
SET (CMAKE_CXX_FLAGS_DEBUG_INIT "-g")
SET (CMAK...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t = "100",
keepalive = {idle = 10000, size = 100},
},
{host = "127.0.0.1", port = "11211"},
{host = "127.0.0.1", port = "11212"},
{host = "127.0.0.1", port = "11213"},
}
phoenix["rule"] = {
default = {
expire = 600,
min_uses = 0,
max_e...
psql: FATAL: Ident authentication failed for user “postgres”
I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box.
23 Answers
23
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dd: How to calculate optimal blocksize? [closed]
...K 1M 2M 4M 8M 16M 32M 64M
for BLOCK_SIZE in 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 8388608 16777216 33554432 67108864
do
# Calculate number of segments required to copy
COUNT=$(($TEST_FILE_SIZE / $BLOCK_SIZE))
if [ $COUNT -le 0 ]; then
echo ...
How can HTML5 “replace” Flash? [closed]
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NickolayNickolay
27.1k77 gold badges8787 silver badges152152 bronze badges
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Build an iOS app without owning a mac? [closed]
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edited Nov 20 '15 at 12:27
answered Sep 11 '13 at 11:42
s...
Quickly create a large file on a Linux system
...
dd from the other answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For example:
fallocate -l 10G gen...
Keyboard Interrupts with python's multiprocessing Pool
...ever returns, so the interrupt never happens. KeyboardInterrupt should almost certainly interrupt a condition wait.
Note that this doesn't happen if a timeout is specified; cond.wait(1) will receive the interrupt immediately. So, a workaround is to specify a timeout. To do that, replace
res...
How do you get an iPhone's device name
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edited Feb 15 '18 at 7:27
Pang
8,2181717 gold badges7373 silver badges111111 bronze badges
answered J...
How can I change the image of an ImageView? [duplicate]
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edited Jan 27 '14 at 5:30
BBdev
4,58722 gold badges2525 silver badges4444 bronze badges
a...