大约有 16,000 项符合查询结果(耗时:0.0194秒) [XML]

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Convert array of strings into a string in Java

I want the Java code for converting an array of strings into an string. 13 Answers 13 ...
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Rank function in MySQL

...orresponding ANSI standard SQL query for my requirement. Please help me to convert it to MySQL . 11 Answers ...
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How to create module-wide variables in Python? [duplicate]

...f for the current module instead of the current instance ! # db.py import sys # this is a pointer to the module object instance itself. this = sys.modules[__name__] # we can explicitly make assignments on it this.db_name = None def initialize_db(name): if (this.db_name is None): # a...
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Get final URL after curl is redirected

...done < all_videos_link.txt Results: real 1m40.832s user 0m9.266s sys 0m15.375s 2. Without follow location time while read -r line; do curl -kIs -w "%{redirect_url}\n" -o /dev/null $line done < all_videos_link.txt Results: real 0m51.037s user 0m5.297s sys 0m8.094s ...
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How can I read a whole file into a string variable

...ror to be reported. You will get a []byte instead of a string. It can be converted if really necessary: s := string(buf) share | improve this answer | follow ...
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In Functional Programming, what is a functor?

...fmap even is an overloaded function that can do many wonderful things: Convert a list of integers to a list of Booleans Convert a tree of integers to a tree of Booleans Convert Nothing to Nothing and Just 7 to Just False In Haskell, this property is expressed by giving the type of fmap: fmap ...
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Convert HH:MM:SS string to seconds only in javascript

I am having similar requirement as this: Convert time in HH:MM:SS format to seconds only? 13 Answers ...
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How to pass boolean values to a PowerShell script from a command prompt

...false' f : Cannot process argument transformation on parameter 'b'. Cannot convert value "System.String" to type "System.Boolean", parameters of this type only accept booleans or numbers, use $true, $false, 1 or 0 instead. At line:1 char:36 + function f( [bool]$b ) { $b }; f -b <<<< '...
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Can I query MongoDB ObjectId by date?

...ct and string input */ function objectIdWithTimestamp(timestamp) { /* Convert string date to Date object (otherwise assume timestamp is a date) */ if (typeof(timestamp) == 'string') { timestamp = new Date(timestamp); } /* Convert date object to hex seconds since Unix epoch ...
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame

...uld expect. I don't understand the design decision for single rows to get converted into a series - why not a data frame with one row? – jobevers Dec 4 '13 at 19:14 ...