大约有 16,000 项符合查询结果(耗时:0.0311秒) [XML]
How are Anonymous inner classes used in Java?
...
Or you could refactor duplicate anonymous inner classes into one method with the anonymous inner class (and possibly some other duplicated code).
– Tom Hawtin - tackline
Dec 14 '08 at 17:13
...
Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...just like the old hashes; there's no reason (other than style, perhaps) to convert them.
share
|
improve this answer
|
follow
|
...
How to append text to a text file in C++?
...
You need to specify the append open mode like
#include <fstream>
int main() {
std::ofstream outfile;
outfile.open("test.txt", std::ios_base::app); // append instead of overwrite
outfile << "Data";
return 0;
}
...
What to do about Eclipse's “No repository found containing: …” error messages?
...20917-0436 No
repository found containing:
osgi.bundle,org.eclipse.emf.converter,2.5.0.v20120917-0436 No
repository found containing:
osgi.bundle,org.eclipse.emf.databinding,1.2.0.v20120917-0436 No
repository found containing:
osgi.bundle,org.eclipse.emf.databinding.edit,1.2.0.v20120917-...
When to use in vs ref vs out
...
True, you cannot access the value prior to an internal assignment. I was referring to the fact that the parameter itself can be used later in the method - it is not locked. Whether this should actually be done or not is a different discussion (on design); I just wanted t...
Split comma-separated strings in a column into separate rows
... use separate_rows:
separate_rows(v, director, sep = ",")
You can use the convert = TRUE parameter to automatically convert numbers into numeric columns.
4) with base R:
# if 'director' is a character-column:
stack(setNames(strsplit(df$director,','), df$AB))
# if 'director' is a factor-column:
sta...
How to create index in Entity Framework 6.2 with code first
...nnotation API. This will allow you to add the Index attribute via a fluent interface.
Here are some examples from the work item from Issues site for EF.
Create a index on a single column:
modelBuilder.Entity<MyEntity>()
.Property(e => e.MyProperty)
.HasColumnAnnotation(
I...
Catch an exception thrown by an async void method
...decides to execute your method synchronously.
This explanation http://www.interact-sw.co.uk/iangblog/2010/11/01/csharp5-async-exceptions is pretty good - it discusses the steps the compiler takes to achieve this magic.
shar...
NSIS学习笔记(持续更新) - C/C++ - 清泛网 - 专注C/C++及内核技术
...les and the stack.
void __declspec(dllexport) myFunction(HWND hwndParent, int string_size,
TCHAR *variables, stack_t **stacktop,
extra_parameters *extra)
{
g_hwndParent = hwndParent;
EXDLL_INIT();
//读取输入参数
WCHAR szComponent[256];
popstring(szComponent);
//打印...
How can I resize an image using Java?
...an try:
BufferedImage createResizedCopy(Image originalImage,
int scaledWidth, int scaledHeight,
boolean preserveAlpha)
{
System.out.println("resizing...");
int imageType = preserveAlpha ? BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB;
...
