大约有 15,208 项符合查询结果（耗时：0.0373秒） [XML]
Close and Dispose - which to call?
Having read the threads Is SqlCommand.Dispose enough? and Closing and Disposing a WCF Service I am wondering for classes such as SqlConnection or one of the several classes inheriting from the Stream class does it matter if I close Dispose rather than Close?
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Crontab Day of the Week syntax
... will exectute the command only on sundays, mondays on thursdays.
You can read further details in Wikipedia's article about Cron.
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Print text instead of value from C enum
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It's ugly to read through, but you don't have data duplication. (Unlike everyone else.) I'm torn on whether to like this.
– Kim Reece
Jul 2 '10 at 19:25
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When to use enumerateObjectsUsingBlock vs. for
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@VanDuTran Blocks are only executed on a separate thread if you tell them to be executed on a separate thread. Unless you use the concurrency option of enumeration, then it'll be executed on the same thread as the call was made
– bbum
J...
How to jQuery clone() and change id?
... ID starts with ^= "klon"
var $div = $('div[id^="klon"]:last');
// Read the Number from that DIV's ID (i.e: 3 from "klon3")
// And increment that number by 1
var num = parseInt( $div.prop("id").match(/\d+/g), 10 ) +1;
// Clone it and assign the new ID (i.e: from num 4 to ID "klon4...
How to keep a git branch in sync with master
...master
to keep mobiledevicesupport in sync with master
then when you're ready to put mobiledevicesupport into master, first merge in master like above, then ...
git checkout master
git merge mobiledevicesupport
git push origin master
and thats it.
the assumption here is that mobilexxx is a to...
How can I make a weak protocol reference in 'pure' Swift (without @objc)
...ss SomeClass {
weak var delegate: MyClassDelegate?
}
Further Study
Reading the following articles is what helped me to understand this much better. They also discuss related issues like the unowned keyword and the strong reference cycles that happen with closures.
Delegate documentation
Sw...
When to use self over $this?
...), X::foo() is always called.
From http://www.phpbuilder.com/board/showthread.php?t=10354489:
By http://board.phpbuilder.com/member.php?145249-laserlight
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Simple way to find if two different lists contain exactly the same elements?
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@Laurence: I agree that laz's post is a bit confusing (I read it a few times before I understood it). I take it that he is just trying to provide a "shortcut" for the special case when 2 conditions hold: (1) duplicates matter, and (2) the list sizes are different. In your example, ...
RabbitMQ / AMQP: single queue, multiple consumers for same message?
...nection({ host: "localhost", port: 5672 });
var count = 1;
connection.on('ready', function () {
connection.exchange("my_exchange", options={type:'fanout'}, function(exchange) {
var sendMessage = function(exchange, payload) {
console.log('about to publish')
var encoded_payload ...