大约有 40,000 项符合查询结果（耗时：0.0434秒） [XML]
JavaScript seconds to time string with format hh:mm:ss
...JS library with the help of JS Date method like following:
var date = new Date(0);
date.setSeconds(45); // specify value for SECONDS here
var timeString = date.toISOString().substr(11, 8);
console.log(timeString)
...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...
} catch (DbEntityValidationException ex) {
StringBuilder sb = new StringBuilder();
foreach (var failure in ex.EntityValidationErrors) {
sb.AppendFormat("{0} failed validation\n", failure.Entry.Entity.GetType());
foreach (var error in failure.ValidationEr...
Proper Repository Pattern Design in PHP?
...nction insert(UserRepositoryInterface $repository)
{
// Create new user model
$user = new User;
$user->first_name = $_POST['first_name'];
$user->last_name = $_POST['last_name'];
$user->gender = $_POST['gender'];
$user->email = $_POST['e...
Java Generics: Cannot cast List to List? [duplicate]
...irst case, imagine that the code did compile, and was followed by:
b1.add(new SomeOtherTree());
DataNode node = a1.get(0);
What would you expect to happen?
You can do this:
List<DataNode> a1 = new ArrayList<DataNode>();
List<? extends Tree> b1 = a1;
... because then you can ...
Activity has leaked ServiceConnection @438030a8 that was original
...r the calling activity is running.
ComponentName myService = startService(new Intent(this, myClass.class));
bindService(new Intent(this, myClass.class), myServiceConn, BIND_AUTO_CREATE);
The first line starts the service, and the second binds it to the activity.
...
MPICH vs OpenMPI
... launcher daemons, and MPI Library, because a user may launch jobs using a newer version of the MPI launcher than the launcher daemons in the container support. Without careful attention to launcher interface stability, container jobs will not launch unless the versions of each component of the lau...
Virtual Memory Usage from Java under Linux, too much memory used
...umbers for memory. Here's what it says about the Hello World example:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2120 kgregory 20 0 4373m 15m 7152 S 0 0.2 0:00.10 java
VIRT is the virtual memory space: the sum of everything in the virtual memory map (see bel...
How to clone an InputStream?
... "cloned" ByteArrayInputStreams as you like.
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// Fake code simulating the copy
// You can generally do better with nio if you need...
// And please, unlike me, do something about the Exceptions :D
byte[] buffer = new byte[1024];
int len;
whi...
Iterating through a list in reverse order in java
...
Try this:
// Substitute appropriate type.
ArrayList<...> a = new ArrayList<...>();
// Add elements to list.
// Generate an iterator. Start just after the last element.
ListIterator li = a.listIterator(a.size());
// Iterate in reverse.
while(li.hasPrevious()) {
System.out.pri...
What's the difference between session.Merge and session.SaveOrUpdate?
...operty, save() it
if the object's identifier has the value assigned to a newly
instantiated object, save() it
if the object is versioned (by a <version> or <timestamp>), and the
version property value is the same value assigned to a newly
instantiated object, save() it
oth...