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Using isKindOfClass with Swift
....view as? UIPickerView {
...
}
Then you can use picker within the if block.
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Overflow to left instead of right
...div is exceeded, set the .outer-div to max-width: 100% and display: inline-block. See here
– Luke
Aug 11 '16 at 0:28
2
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What is the relative performance difference of if/else versus switch statement in Java?
...aintainability of the code in question. If there are more than two if/else blocks glued together or its size is unpredictable, then you may highly consider a switch statement.
Alternatively, you can also grab Polymorphism. First create some interface:
public interface Action {
void execute(St...
How to handle command-line arguments in PowerShell
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Using a param block seems to have other unintended consequences though: stackoverflow.com/questions/40940819/…
– Logan
Dec 7 '16 at 17:14
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What is the purpose of backbone.js?
...h the learning curve associated with a framework. If you're still building PHP, Java, or something else sites where the back end server is still doing all the heavy lifting of building the web pages upon request by the user and JavaScript/jQuery is just icing upon that process, you aren't going to n...
UIView Infinite 360 degree rotation animation?
... warns users away from these methods in the Docs & @Nate code uses the block based animations that Apple now prefers
– PaulWoodIII
May 15 '13 at 4:46
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How do I find which transaction is causing a “Waiting for table metadata lock” state?
...for:
USE INFORMATION_SCHEMA;
SELECT * FROM INNODB_LOCK_WAITS;
A list of blocking transactions:
SELECT *
FROM INNODB_LOCKS
WHERE LOCK_TRX_ID IN (SELECT BLOCKING_TRX_ID FROM INNODB_LOCK_WAITS);
OR
SELECT INNODB_LOCKS.*
FROM INNODB_LOCKS
JOIN INNODB_LOCK_WAITS
ON (INNODB_LOCKS.LOCK_TRX_ID =...
Positioning a div near bottom side of another div
...ution is almost correct. I only had to add "//margin-left: -40px" to green block's style for IE. Without this hack with margin-left attribute your green block was disposed left in IE7. Can anyone explain where this 40px comes from?
– Roman
May 13 '09 at 13:51
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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...这时我们可以使用以下命令，将指定ip发来的包丢弃：
BLOCK_THIS_IP="x.x.x.x"
iptables -A INPUT -i eth0 -p tcp -s "$BLOCK_THIS_IP" -j DROP
以上命令设置将由x.x.x.x ip发往eth0网口的tcp包丢弃。
4.配置服务项
利用iptables，我们可以对日常用到...
Vertically align text next to an image?
...the text. As for using float:left, you should be doing that either on the block that contains the image and text, or on the text itself.
– jamesrom
Dec 7 '11 at 0:57
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