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Difference between CC, gcc and g++?
...havpgautam@UbuntuServer1604:~/Desktop/c++$ ls -l /usr/bin/c++
lrwxrwxrwx 1 root root 21 Jul 31 14:00 /usr/bin/c++ -> /etc/alternatives/c++
uddhavpgautam@UbuntuServer1604:~/Desktop/c++$ ls -l /etc/alternatives/c++
lrwxrwxrwx 1 root root 12 Jul 31 14:00 /etc/alternatives/c++ -> /usr/bin/g++
...
SQL Server 2005 How Create a Unique Constraint?
...NIQUE (ColumnName1,ColumnName2, ColumnName3, ...)
The query supported by MySQL / SQL Server / Oracle / MS Access.
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Installing a local module using npm?
...or maybe other applications?), there is some buzz around npm linking being root cause of specific kind of issue. Example here and here
– The Red Pea
Apr 20 '17 at 23:03
4
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NullPointerException accessing views in onCreate()
...ent onCreateView(), calling findViewById() on the inflated fragment layout rootView:
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container,
false);
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Convert timestamp to readable date/time PHP
...nto a timestamp. You want to do the opposite, which is date. The typical mysql date format is date('Y-m-d H:i:s'); Check the manual page for what other letters represent.
If you have a timestamp that you want to use (apparently you do), it is the second argument of date().
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How to define custom configuration variables in rails
...
# config/initializers/load_config.rb
APP_CONFIG = YAML.load_file("#{Rails.root}/config/config.yml")[Rails.env]
# application.rb
if APP_CONFIG['perform_authentication']
# Do stuff
end
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Django rest framework nested self-referential objects
...ution works but the count output of my serializer is wrong. It only counts root nodes. Any ideas? It's the same with djangorestframework-recursive.
– Lucas Veiga
May 3 '17 at 1:29
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cscope or ctags why choose one over the other? [closed]
... there any way to make ctags more accurate? I did make tags in the kernel root dir and have been playing with jumping around and most of the time end up in the wrong place. I read that ctags has problems with the c preprocessor, but considering that ctags is used in lxr there obviously must be som...
How to check if a process id (PID) exists
...wo ways:
Lets start by looking for a specific application in my laptop:
[root@pinky:~]# ps fax | grep mozilla
3358 ? S 0:00 \_ /bin/sh /usr/lib/firefox-3.5/run-mozilla.sh /usr/lib/firefox-3.5/firefox
16198 pts/2 S+ 0:00 \_ grep mozilla
All examples now will look...
App Inventor 2 数学代码块 · App Inventor 2 中文网
...andom set seed to)
最小值 (min)
最大值 (max)
平方根 (square root)
绝对值 (abs)
相反数 (neg)
对数 (log)
e^
四舍五入 (round)
上取整 (ceiling)
下取整 (floor)
求模 (modulo)
余数 (remainder)
商 (quotient)
正弦 (sin)
余弦 (cos)
正切 (ta...