大约有 11,643 项符合查询结果(耗时:0.0264秒) [XML]

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Getting image dimensions without reading the entire file

...using the WPF Imaging classes? System.Windows.Media.Imaging.BitmapDecoder, etc.? I believe some effort was into making sure those codecs only read a subset of the file in order to determine header information. It's worth a check. ...
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Why are arrays of references illegal?

...&,N> to accept initializer containing addresses = {&v1, &v2 etc}) – greggo Sep 12 '14 at 22:26 ...
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ICollection Vs List in Entity Framework

...perations do not add or mutate things, they simply filter, group, project, etc. Forward-only, read-only sequences are all that's necessary to support those operations. When you have a Linq provider such as Entity Framework that deals with data persistence, the ability to Add is a substantial benefit...
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Securely storing environment variables in GAE with app.yaml

...ient_secrets_live.json, client_secrets_dev.json, client_secrets_pilot.json etc, then use python logic to determine which server you are on and load up the appropriate json file. The app_identity.get_application_id() method may be useful to auto detect which server you are on. Is this the kind of thi...
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What is declarative programming? [closed]

...ht be resolved by introducing soft constraints (priorities, probabilities, etc.) or leveraging a paraconsistent logic. share answered Aug 6 '12 at 21:43 ...
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Choosing Java vs Python on Google App Engine

..., as instances of your app are started, stopped, moved to different hosts, etc, all trasparently to you -- such events are typically much cheaper with Python runtime environments than with JVMs). The XPath/XSLT situation (to be euphemistic...) is not exactly perfect on either side, sigh, though I t...
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Reference — What does this symbol mean in PHP?

... @Lotus - I consider it a fun fact. If you're a beginner to PHP, or C++, etc, it seems pretty wacky that ++i and i++ are different enough to work at different speeds. I found it fascinating. – Peter Ajtai Dec 9 '10 at 10:47 ...
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Pointer to pointer clarification

...ay *ipp = ip2; The * operator turns a pointer back into a variable. We fetch the value of ipp, which is "pointer to ip1 and turn it into a variable. What variable? ip1 of course! Therefore this is simply another way of saying ip1 = ip2; So we fetch the value of ip2. What is it? "pointer to j...
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What is a “symbol” in Julia?

...assignments, function calls, things that can be written as literal values, etc. It also needs a way to represent its own variables. I.e., you need a way to represent – as data – the foo on the left hand side of this: foo == "foo" Now we're getting to the heart of the matter: the difference ...
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Downloading a large file using curl

...URNTRANSFER has to be true in case you are getting file like pdf/csv/image etc. You may find the further detail over here(correct url) Curl Doc From that page: curl_setopt($request, CURLOPT_TIMEOUT, 300); //set timeout to 5 mins curl_setopt($request, CURLOPT_RETURNTRANSFER, true); // true to get...