大约有 40,000 项符合查询结果（耗时：0.0574秒） [XML]
Choose File Dialog [closed]
...this code pick multiple file format ie fileDialog.setFileEndsWith(".txt",".pdf"); or fileDialog.setFileEndsWith("fle/*"); please answr
– Anitha
Jan 29 '15 at 11:46
...
Amazon S3 direct file upload from client browser - private key disclosure
....name);
if (file) {
results.innerHTML = '';
var params = {
Key: n + '.pdf',
ContentType: file.type,
Body: file
};
bucket.upload(params, function(err, data) {
results.innerHTML = err ? 'ERROR!' : 'UPLOADED.';
});
} else {
results.innerHTML = 'Nothing to upl
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...
Which one ? BSR or CNTLZ ? As I read the x86-timing.pdf referenced above, BSR is only slow on the Netburst Pentiums. I know nothing about PowerPC though.
– timday
Mar 23 '09 at 9:26
...
Is a successor for TeX/LaTeX in sight? [closed]
... LuaTeX is not an alternative to LaTeX, it is an extended TeX engine (like pdftex, XeTeX) on which both LaTeX (then called LuaLaTeX) and ConTeXt can run. (I think it is the default for today's ConTeXt.)
– Paŭlo Ebermann
Oct 16 '11 at 17:40
...
What does “default” mean after a class' function declaration?
...tandard draft
https://github.com/cplusplus/draft/blob/master/papers/n4659.pdf 11.4.2 "Explicitly-defaulted functions":
1 A function definition of the form:
attribute-specifier-seq opt decl-specifier-seq opt declarator virt-specifier-seq opt = default ;
is called an explicitly-defaulted d...
Why is NaN not equal to NaN? [duplicate]
..."undefined" - see http://www.cs.berkeley.edu/~wkahan/ieee754status/IEEE754.PDF, page 7 (search for the word "undefined"). As that document confirms, NaN is a well-defined concept.
Furthermore, IEEE approach was to follow the regular mathematics rules as much as possible, and when they couldn't, fol...
What is an efficient way to implement a singleton pattern in Java? [closed]
... video. Also see slides 30-32 of his presentation (effective_java_reloaded.pdf):
The Right Way to Implement a Serializable Singleton
public enum Elvis {
INSTANCE;
private final String[] favoriteSongs =
{ "Hound Dog", "Heartbreak Hotel" };
public void printFavorites() {
...
Implementing MVC with Windows Forms
...ow, I suggest reading about the "Presenter First" approach (especially the PDF articles)
I would recommend MVP (PassiveView pattern actually) instead of MVC. You don't really need any special frameworks for this, it's just how you organize your code.
One approach (which I usually take) is to split...
Difference between HBase and Hadoop/HDFS
...ent, a column qualifier might be content:html and another might be content:pdf. Though column families are fixed at table creation, column qualifiers are mutable and may differ greatly between rows.
Cell
A cell is a combination of the row, column family, and column qualifier, and contains a value...
驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...动进行更大程度的控制。
为什么是 OOM Killer？
主要发行版内核设置/proc/sys/vm/overcommit_memory的默认值 为零，这意味着进程可以请求比系统中当前可用的内存更多的内存。这是基于试探法完成的，即分配的内存不会立即使用，并...