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How does the vim “write with sudo” trick work?
...output, which can be captured by the next piped command.
For example, in ps -ax | tee processes.txt | grep 'foo', the list of processes will be written to a text file and passed along to grep.
+-----------+ tee +------------+
| | -------- | |
| ps -ax ...
Difference Between One-to-Many, Many-to-One and Many-to-Many?
...address_2_id and address_3_id or a look up table with unique constraint on user_id and address_id.
In unidirectional, a User will have Address address. Bidirectional
will have an additional List<User> users in the Address class.
In Many-to-Many members of each party can hold reference to a...
Does MySQL included with MAMP not include a config file?
...cnf dynamically on MAMP server startup, it's best to use the following steps to add or edit the MySQL configuration:
Stop MAMP server
Goto Files > Edit Template > MySQL
Make the necessary changes and save
Restart MAMP
I tried this on MAMP PRO 3.5.
...
Using reflect, how do you set the value of a struct field?
...N at start
fmt.Println(n.N)
// pointer to struct - addressable
ps := reflect.ValueOf(&n)
// struct
s := ps.Elem()
if s.Kind() == reflect.Struct {
// exported field
f := s.FieldByName("N")
if f.IsValid() {
// A Value can be changed only ...
java.util.Date vs java.sql.Date
...r sql.Time and #setTimestamp() for sql.Timestamp.
Do note that if you use ps.setObject(fieldIndex, utilDateObject); you can actually give a normal util.Date to most JDBC drivers which will happily devour it as if it was of the correct type but when you request the data afterwards, you may notice th...
How to drop columns by name in a data frame
... null_assign(dtest, drop_vec) 74.593 83.0585 86.2025 94.0035 1476.150
subset(dtest, select = !names(dtest) %in% drop_vec) 106.280 115.4810 120.3435 131.4665 65133.780
subset(dtest, select = names(dtest)[!names(dtest) %in% drop_vec]) 108.611 119.4830 124.0...
Web deployment task build failed
...e to log on the user '.\WDeployConfigWriter'. ---> System.Runtime.InteropServices.COMException: The password for this account has expired.
– Jon Egerton
Mar 14 '14 at 23:20
...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...面，用户通过这个界面访问操作系统内核的服务。Ken Thompson的sh是第一种Unix Shell，Windows Explorer是一个典型的图形界面Shell。
shell脚本（shell script），是一种为shell编写的脚本程序。业界所说的shell通常都是指shell脚本，但读者朋...
AngularJS check if form is valid in controller
...t why $scope.formName.$valid results in undefined?
– ps0604
Jan 24 '16 at 0:54
If you use ng-if then $scope.formName.$...
What's the difference between a single precision and double precision floating point operation?
...
As to the question "Can the ps3 and xbxo 360 pull off double precision floating point operations or only single precision and in generel use is the double precision capabilities made use of (if they exist?)."
I believe that both platforms are incapable...