大约有 41,000 项符合查询结果（耗时：0.0646秒） [XML]
Cron jobs and random times, within given hours
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If I understand what you're looking for, you'll need to do something a bit messy, like having a cron job that runs a bash script that randomizes the run times... Something like this:
crontab:
0 9 * * * /path/to/bashscript
and in /path/to/bashscript:
#!/bin...
Using AES encryption in C#
...n case you need the sample in a hurry, here it is in all its plagiarized glory:
using System;
using System.IO;
using System.Security.Cryptography;
namespace RijndaelManaged_Example
{
class RijndaelExample
{
public static void Main()
{
try
{
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Using C# reflection to call a constructor
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I don't think GetMethod will do it, no - but GetConstructor will.
using System;
using System.Reflection;
class Addition
{
public Addition(int a)
{
Console.WriteLine("Constructor called, a={0}", a);
}
}
class Test
{
static void Main()
{
Type ty...
Two sets of parentheses after function call
I was looking how filters works in Angularjs and I saw that we need to send 2 sets of parentheses.
3 Answers
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Subtract 7 days from current date
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There are edge cases where this won't work properly, for example if the daylight savings changes during the seven days in question.
– JeremyP
Apr 18 '12 at 13:08
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C# - Attribute to Skip over a Method while Stepping in Debug Mode
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What about an attribute for a property? [DebuggerStepThrough] is only valid on Classes, Structs, Constructors and Methods
– Marchy
Sep 8 '09 at 21:31
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Futures vs. Promises
...t;();
auto producer = std::thread([&]
{
promise.set_value("Hello World");
});
auto future = promise.get_future();
auto consumer = std::thread([&]
{
std::cout << future.get();
});
producer.join();
consumer.join();
One (incomplete) way to implement std::async using std::pro...
How to close a Java Swing application from the code
...eep using EXIT_ON_CLOSE is beyond me).
If you have any undisposed windows or non-daemon threads, your application will not terminate. This should be considered a error (and solving it with System.exit is a very bad idea).
The most common culprits are java.util.Timer and a custom Thread you've crea...
How can I override the OnBeforeUnload dialog and replace it with my own?
I need to warn users about unsaved changes before they leave a page (a pretty common problem).
11 Answers
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PHP ORMs: Doctrine vs. Propel
...nd Propel , but I of course need to make a choice.... I was wondering if more experienced people out there have general pros and/or cons for going with either of these two?
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