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Change default text in input type=“file”?

...e of label for input. <div> <label for="files" class="btn">Select Image</label> <input id="files" style="visibility:hidden;" type="file"> </div> Below is the code to fetch name of the uploaded file $("#files").change(function() { filename = this.files[...
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LINQ's Distinct() on a particular property

... (this IEnumerable<TSource> source, Func<TSource, TKey> keySelector) { HashSet<TKey> seenKeys = new HashSet<TKey>(); foreach (TSource element in source) { if (seenKeys.Add(keySelector(element))) { yield return element; } ...
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Why do we always prefer using parameters in SQL statements?

I am very new to working with databases. Now I can write SELECT , UPDATE , DELETE , and INSERT commands. But I have seen many forums where we prefer to write: ...
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Android getting value from selected radiobutton

... @Override public void onClick(View v) { // get selected radio button from radioGroup int selectedId = radioGroup.getCheckedRadioButtonId(); // find the radiobutton by returned id radioButton = (RadioButton) findViewById(selectedId); ...
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XPath - Selecting elements that equal a value

In Xpath, I am wanting to select elements that equal a specific value. 2 Answers 2 ...
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MySQL Data - Best way to implement paging?

...e LIMIT clause can be used to constrain the number of rows returned by the SELECT statement. LIMIT takes one or two numeric arguments, which must both be nonnegative integer constants (except when using prepared statements). With two arguments, the first argument specifies the offset of the first ro...
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Cannot ping AWS EC2 instance

...ICMP rule Protocol: Echo Request Port: N/A Source: your choice (I would select Anywhere to be able to ping from any machine) share | improve this answer | follow ...
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django : using select_related and get_object_or_404 together

Is there any way of using get_object_or_404 and select_related together or any other way to achieve the result of using these two together(except from putting it in try/except)?? ...
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How to find the Number of CPU Cores via .NET/C#?

...ors: foreach (var item in new System.Management.ManagementObjectSearcher("Select * from Win32_ComputerSystem").Get()) { Console.WriteLine("Number Of Physical Processors: {0} ", item["NumberOfProcessors"]); } Cores: int coreCount = 0; foreach (var item in new System.Management.ManagementObjec...
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Hidden Features of Xcode

...m working with a large or unfamiliar project. To show the Favorites Bar, select the following menu option: View > Layout > Show Favorites Bar share edited Apr 4 '11...