大约有 15,207 项符合查询结果(耗时:0.0212秒) [XML]

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How do I create and read a value from cookie?

How can I create and read a value from a cookie in JavaScript? 19 Answers 19 ...
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What is the volatile keyword useful for?

...isibility. Basically, the value of a volatile field becomes visible to all readers (other threads in particular) after a write operation completes on it. Without volatile, readers could see some non-updated value. To answer your question: Yes, I use a volatile variable to control whether some code ...
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How can I convert a zero-terminated byte array to string?

I need to read [100]byte to transfer a bunch of string data. 13 Answers 13 ...
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Why are C character literals ints instead of chars?

...y says "Would you disagree with this opinion, which was posted in a past thread discussing the issue in question?" ... and b) It is ludicrous, because a char variable is not an int, so making a character constant be one is a special case. And it's easy to use a character value without promoting it: ...
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Downloading images with node.js [closed]

... fs.writeFileSync('image.png', data.read()); }); }).end(); The newest Node versions won't work well with binary strings, so merging chunks with strings i...
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Displaying the build date

... using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read)) stream.Read(buffer, 0, 2048); var offset = BitConverter.ToInt32(buffer, c_PeHeaderOffset); var secondsSince1970 = BitConverter.ToInt32(buffer, offset + c_LinkerTimestampOffset); var epoch = new Dat...
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How do I split a string on a delimiter in Bash?

...ssignment to IFS only takes place to that single command's environment (to read ). It then parses the input according to the IFS variable value into an array, which we can then iterate over. IFS=';' read -ra ADDR <<< "$IN" for i in "${ADDR[@]}"; do # process "$i" done It will parse o...
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python-pandas and databases like mysql

... As Wes says, io/sql's read_sql will do it, once you've gotten a database connection using a DBI compatible library. We can look at two short examples using the MySQLdb and cx_Oracle libraries to connect to Oracle and MySQL and query their data di...
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What is a callback?

... +1: Love it. It ruins the song, but that should read `But here's my number and the instructions for using a specific type of phone (delegate)' – Gone Coding May 16 '13 at 11:09 ...
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How to use count and group by at the same select statement

...deleted answers; most do not do what the user asked for. Most Answers mis-read the question as thinking that there are 58 users in each town instead of 58 in total. Even the few that are correct are not optimal. mysql> flush status; Query OK, 0 rows affected (0.00 sec) SELECT province, total...