大约有 48,000 项符合查询结果（耗时：0.0773秒） [XML]
“Use the new keyword if hiding was intended” warning
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JoeeJoee
9001010 silver badges1515 bronze badges
3
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How can I remove a specific item from an array?
... than JavaScript.)
– default123
Sep 10 at 0:16
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Difference between JAX-WS, Axis2 and CXF
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
Divide a number by 3 without using *, /, +, -, % operators
....333333, the repeating numbers make this easy to calculate using a / 3 = a/10*3 + a/100*3 + a/1000*3 + (..). In binary it's almost the same: 1 / 3 = 0.0101010101 (base 2), which leads to a / 3 = a/4 + a/16 + a/64 + (..). Dividing by 4 is where the bit shift comes from. The last check on num==3 is ne...
Detect network connection type on Android
...connectivity and speed
* @author emil http://stackoverflow.com/users/220710/emil
*
*/
public class Connectivity {
/**
* Get the network info
* @param context
* @return
*/
public static NetworkInfo getNetworkInfo(Context context){
ConnectivityManager cm = (Con...
Extract part of a regex match
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answered Aug 25 '09 at 10:29
Krzysztof KrasońKrzysztof Krasoń
21.7k1414 gold badges7474 silver badges9595 bronze badges
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On Duplicate Key Update same as insert
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If table tbl already has row (1,10) then: INSERT INTO tbl(id, a) VALUES(1,2) ON DUPLICATE KEY UPDATE a=VALUES(a) will set a = 2. While INSERT INTO tbl(id, a) VALUES(1,2) ON DUPLICATE KEY UPDATE a=a will set a = 10
– Bùi Việt Thành
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Create objective-c class instance by name?
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answered May 27 '10 at 3:44
Simon WoodsideSimon Woodside
6,70233 gold badges4646 silver badges6464 bronze badges
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NGinx Default public www location?
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edited May 10 '17 at 9:08
answered Jun 20 '12 at 20:59
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