大约有 8,000 项符合查询结果(耗时:0.0298秒) [XML]

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Why are mutable structs “evil”?

...ay[500] of type Rectangle, it's clear and obvious how to e.g. copy element 123 to element 456 and then some time later set the width of element 123 to 555, without disturbing element 456. "RectArray[432] = RectArray[321]; ...; RectArray[123].Width = 555;". Knowing that Rectangle is a struct with a...
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How do I do an OR filter in a Django query?

...s, but a bit simpler, without the lambda: filter_kwargs = { 'field_a': 123, 'field_b__in': (3, 4, 5, ), } To filter these two conditions using OR: Item.objects.filter(Q(field_a=123) | Q(field_b__in=(3, 4, 5, )) To get the same result programmatically: list_of_Q = [Q(**{key: val}) for key, ...
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Remove shadow below actionbar

...o be compatible with all previous devices? – splinter123 Mar 22 '15 at 22:05 same as @splinter123 here :( Wonder how I...
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Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?

...there can put this one to rest for me? My permissions are screwed up on my sites and I'm not sure how to fix them without just slamming a recursive 777 on everything which is quite obviously incorrect. ...
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Check status of one port on remote host [closed]

...ll && echo Connected. || echo Fail. Connected. $ curl -s localhost:123 >/dev/null && echo Connected. || echo Fail. Fail. Possibly it may not won't work for all services, as curl can return different error codes in some cases (as per comment), so adding the following condition co...
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Git Alias - Multiple Commands and Parameters

...performing redirections and return the status 0. Here're some usages: 1. a=123;$a errors, but a=123; : $a does not. 2. : > hello.txt empties hello.txt. 3. if [ "$a" = "hello" ];then : ;fi runs okay but errors without ':'. It's like pass in python. 4. : this is a comment, the colon followed by spa...
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I need to get all the cookies from the browser

... You can only access cookies for a specific site. Using document.cookie you will get a list of escaped key=value pairs seperated by a semicolon. secret=do%20not%20tell%you;last_visit=1225445171794 To simplify the access, you have to parse the string and unescape all...
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Why am I getting error for apple-touch-icon-precomposed.png

... I guess apple devices make those requests if the device owner adds the site to it. This is the equivalent of the favicon. To resolve, add 2 100×100 png files, save it as apple-touch-icon-precomposed.png and apple-touch-icon.png and upload it to the root directory of the server. After that, the ...
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Get loop counter/index using for…of syntax in JavaScript

... both the value and the index to the function you give it: var myArray = [123, 15, 187, 32]; myArray.forEach(function (value, i) { console.log('%d: %s', i, value); }); // Outputs: // 0: 123 // 1: 15 // 2: 187 // 3: 32 Or ES6’s Array.prototype.entries, which now has support across current ...
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Connecting to Azure website via FTP

What login credentials do I use to connect to the FTP site that is listed on the dashboard of my Azure? I tried using the same credentials I use to log into Azure but this is failing. TIA. ...