大约有 47,000 项符合查询结果(耗时:0.0449秒) [XML]

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Get class name using jQuery

... , you will have : myclass mysubclass So if you want to have the class selector, do the following : var className = '.'+$('#id').attr('class').split(' ').join('.') and you will have .myclass.mysubclass Now if you want to select all elements that have the same class such as div above : ...
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What is the tilde (~) in the enum definition?

...he UI [] Cash [] Check [] CreditCard and sum their values, and the user selects them all, you would see All in the resulting enum. share | improve this answer | follow ...
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How to get the CPU Usage in C#?

...de to do it: private void button1_Click(object sender, EventArgs e) { selectedServer = "JS000943"; listBox1.Items.Add(GetProcessorIdleTime(selectedServer).ToString()); } private static int GetProcessorIdleTime(string selectedServer) { try { var searcher = new Man...
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How do I create a unique constraint that also allows nulls?

...dy found separately in other, properly defined columns. It should never be selected or used. So, my story is that this is not a surrogate NULL, and I'm sticking to it! Since we don't actually want the non-NULL value for any purpose other than to trick the UNIQUE index to ignore NULLs, our use case ...
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gradle build fails on lint task

... You can select proper options from here android { lintOptions { // set to true to turn off analysis progress reporting by lint quiet true // if true, stop the gradle build if errors are found abo...
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Finding the Eclipse Version Number

...of the dialogue. This should include two which are the plain Eclipse icon. Select the one with tooltip "Eclipse.org". Eclipse has many components, each of which has its own version number. The core is the Eclipse Platform sh...
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How to delete last character in a string in C#?

... build it with string.Join instead: var parameters = sl.SelProds.Select(x=>"productID="+x.prodID).ToArray(); paramstr = string.Join("&", parameters); string.Join takes a seperator ("&") and and array of strings (parameters), and inserts the seperator between each element of th...
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Performance of Find() vs. FirstOrDefault() [duplicate]

...Ef__AnonymousType0<string>> source = Enumerable.ToList(Enumerable.Select(Enumerable.Range(0, 1000000), i => { var local_0 = new { Name = Guid.NewGuid().ToString() }; return local_0; })); source.Insert(999000, new { Name = diana })...
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How do I delete everything in Redis?

...eteDataFromDB(Jedis jedis, String keyPattern, int dbIndex) { jedis.select(dbIndex); Set<String> keys = jedis.keys(keyPattern); for(String key : keys){ jedis.del(key); System.out.println("The key: " + key + " has been deleted from database index: ...
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How do I get the first element from an IEnumerable in .net?

...IEnumberable<string> aa; string a = (from t in aa where t.Equals("") select t.Value).ToArray()[0]; share | improve this answer | follow | ...