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Java 调用外部进程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中调用外部应用(.exe)。起初直接使用Runtime.getRuntime().exec(String co...最近需要用Java写一个调用外部应用的程序，也就是说要在Java程序中调用外部应用(.exe)。
起初直接使用“Runtime.getRuntime().exec(String command, String[] env, File dir)”这...
Restful API service
...l ResultReceiver receiver = intent.getParcelableExtra("receiver");
String command = intent.getStringExtra("command");
Bundle b = new Bundle();
if(command.equals("query") {
receiver.send(STATUS_RUNNING, Bundle.EMPTY);
try {
// get some d...
What are the underlying data structures used for Redis?
...u asked, here is the underlying implementation of every Redis data type.
Strings are implemented using a C dynamic string library so that we don't pay (asymptotically speaking) for allocations in append operations. This way we have O(N) appends, for instance, instead of having quadratic behavior.
...
String.equals versus == [duplicate]
This code separates a string into tokens and stores them in an array of strings, and then compares a variable with the first home ... why isn't it working?
...
Unicode equivalents for \w and \b in Java regular expressions?
...e as an embeddable (?U) for inside the pattern, so you can use it with the String class’s wrappers, too. It also sports corrected definitions for various other properties, too. It now tracks The Unicode Standard, in both RL1.2 and RL1.2a from UTS#18: Unicode Regular Expressions. This is an excit...
Fastest way to check if a file exist using standard C++/C++11/C?
...idn't.
#include <sys/stat.h>
#include <unistd.h>
#include <string>
#include <fstream>
inline bool exists_test0 (const std::string& name) {
ifstream f(name.c_str());
return f.good();
}
inline bool exists_test1 (const std::string& name) {
if (FILE *file =...
Best way to parse command line arguments in C#? [closed]
...plications that take parameters, you can use the arguments passed to Main(string[] args) .
20 Answers
...
Show the progress of a Python multiprocessing pool imap_unordered call?
... @WakanTanka: It goes in the main script after it spins off the extra threads. In my original example, it goes in the "while" loop, where rs has already launched the other threads.
– MidnightLightning
Aug 24 '15 at 11:58
...
Programmatically change UITextField Keyboard type
...rrently-focused field to update the keyboard type immediately, there's one extra step:
// textField is set to a UIKeyboardType other than UIKeyboardTypeEmailAddress
[textField setKeyboardType:UIKeyboardTypeEmailAddress];
[textField reloadInputViews];
Without the call to reloadInputViews, the key...
Generating a random & unique 8 character string using MySQL
...
This problem consists of two very different sub-problems:
the string must be seemingly random
the string must be unique
While randomness is quite easily achieved, the uniqueness without a retry loop is not. This brings us to concentrate on the uniqueness first. Non-random uniqueness c...