大约有 22,000 项符合查询结果(耗时:0.0417秒) [XML]

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Using numpy to build an array of all combinations of two arrays

... There is bug in this implementation. For arrays of strings for example: arrays[0].dtype = "|S3" and arrays[1].dtype = "|S5". So there is a need in finding the longest string in input and use its type in out = np.zeros([n, len(arrays)], dtype=dtype) – nor...
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On delete cascade with doctrine2

...GeneratedValue */ protected $id; /** * @Column(type="string", length="75", unique="true") */ protected $name; /** * @OneToMany(targetEntity="Phonenumber", mappedBy="contact") */ protected $phonenumbers; public function __construct($name=nu...
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Why should I use Deque over Stack?

...et or SortedMap). We may use the preferred style of declaring like Set<String> set = new HashSet<String>();see reasons here. But Stack class: 1) don't have its own interface; 2) is a subclass of Vector class - which is based on resizable array; so where is linked list implementation o...
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Visual Studio 2010 IntelliSense doesn't select a default value - it just marks it

...rue. But you still have to press period to bring up the member's list. One extra step :( – Tomas Beblar Jan 5 '16 at 18:36 2 ...
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Entity Framework is Too Slow. What are my options? [closed]

...timise (using projections) those few queries where you really need use the extra benefit. EF and POCO gives you reasonable default, which is very nice! – Victor Jan 16 '14 at 21:49 ...
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How to run a program without an operating system?

...M calls theirs semihosting for example. On real hardware, it requires some extra hardware and software support, but on emulators it can be a free convenient option. Example. Here we will do a BIOS example as it is simpler on x86. But note that it is not the most robust method. main.S .code16 m...
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Is the pImpl idiom really used in practice?

...ss, I would consider caution because all those benefits come at a cost: an extra level of indirection is required in order to access the implementation methods. share | improve this answer ...
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Finding Key associated with max Value in a Java Map

...s with maximum value public class NewClass4 { public static void main(String[] args) { HashMap<Integer,Integer>map=new HashMap<Integer, Integer>(); map.put(1, 50); map.put(2, 60); map.put(3, 30); map.put(4, 60); map.put(5, 60); ...
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How can I get the MAC and the IP address of a connected client in PHP?

...dress" and use substr() function to retrieve the adress from this long string. here in my case i'm using a french cmd. you can change the numbers according adress mac position in the string. */ echo substr(shell_exec ("ipconfig/all"),1821,18); ?> ...
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Escaping quotes and double quotes

...l" Bennet blogged about a while ago. Long story short: you just wrap your string with @' ... '@ : Start-Process \\server\toto.exe @' -batch=B -param="sort1;parmtxt='Security ID=1234'" '@ (Mind that I assumed which quotes are needed, and which things you were attempting to escape.) If you want t...