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Is a `=default` move constructor equivalent to a member-wise move constructor?
... 15 which says:
The implicitly-defined copy/move constructor for a non-union class X
performs a memberwise copy/move of its bases and members. [ Note:
brace-or-equal-initializers of non-static data members are ignored.
See also the example in 12.6.2. —end note ] The order of
initializa...
How to use double or single brackets, parentheses, curly braces
...ojects, I can specify file paths as script input/output. if I specify $SRC_ROOT/myFile.txt or ${SRC_ROOT}/myFile.txt (SRC_ROOT var is exported by the build system) - doesn't work. only $(SRC_ROOT)/myFile.txt works. What could be the reason? clearly var name isn't a command?
– M...
Difference between rake db:migrate db:reset and db:schema:load
...ord/Rakefile
which has these tasks.
namespace :db do
task create: ["db:mysql:build", "db:postgresql:build"]
task drop: ["db:mysql:drop", "db:postgresql:drop"]
end
This may not answer your question but could give you some insight into go ahead and look the source over especially the rake file...
Duplicate log output when using Python logging module
...tetime.datetime.now()
handler = logging.FileHandler(
'/root/credentials/Logs/ProvisioningPython'
+ now.strftime("%Y-%m-%d")
+ '.log')
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
handler.setFormatter(formatter)
...
java.net.UnknownHostException: Invalid hostname for server: local
...es this environment variable ($HOSTNAME) when it connects to the server.
[root@xyz ~]# echo $HOSTNAME
xyz
[root@xyz ~]# ping $HOSTNAME
ping: unknown host xyz
[root@xyz ~]# hostname -f
hostname: Unknown host
There are dozens of things that can cause this. Please comment if you discover a new re...
nvm keeps “forgetting” node in new terminal session
...This loads nvm
# Some other program adding to the PATH:
export PATH="$ANT_ROOT:$PATH"
Solution:
### GOOD .bashrc ###
# Some other program adding to the PATH:
export PATH="$ANT_ROOT:$PATH"
# NVM initialisation
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" ...
How to use NSJSONSerialization
...
Your root json object is not a dictionary but an array:
[{"id": "1", "name":"Aaa"}, {"id": "2", "name":"Bbb"}]
This might give you a clear picture of how to handle it:
NSError *e = nil;
NSArray *jsonArray = [NSJSONSerializatio...
国务院常务会议“大数据” - 资讯 - 清泛网 - 专注C/C++及内核技术
...，“设立保险投资基金”，从这些会议关键词可以看出，如何有效发挥财政和金融的作用成为当前中国经济的调控关键。
近几年国务院常务会议讨论和出台的关于财政和金融方面的政策措施越来越多，财政金融手段使用比过去...
“Insufficient Storage Available” even there is lot of free space in device memory
...o the same thing if you get the "invalid MMI" error when you try this on a rooted, modded phone.
– ChrisC
Nov 14 '13 at 1:52
3
...
Deleting all files in a directory with Python
...be how to do so using just the os module...
def purgedir(parent):
for root, dirs, files in os.walk(parent):
for item in files:
# Delete subordinate files
filespec = os.path.joi...