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“’” showing on page instead of “ ' ”

... This sometimes happens when a string is converted from Windows-1252 to UTF-8 twice. We had this in a Zend/PHP/MySQL application where characters like that were appearing in the database, probably due to the MySQL connection not specifying the correct cha...
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Difference between HashMap, LinkedHashMap and TreeMap

... private TreeMap<String ,Integer> mySection2 = new TreeMap<>(); mySection2.put("abc1", 2); mySection2.put("abc2",5); mySection2.put("abc3",3); ...
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Error: Can't set headers after they are sent to the client

...eader gets sent, but then further headers (like a 30X redirect) try to add extra headers, but it's too late since the response header has already been transmitted. I'm not sure exactly what's causing your error, but look at any callbacks as potential areas to investigate. One easy tip to simplify ...
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Easy pretty printing of floats in python?

...ise numbers, but get rid of trailing zeros for example, use the formatting string %g: np.set_printoptions(formatter={"float_kind": lambda x: "%g" % x}) For just printing once and not changing global behavior, use np.array2string with the same arguments as above. ...
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How do you express binary literals in Python?

... This is interesting for when you have strings, but if working with pure numbers, you add unnecessary computations to the code. – Daniel Möller Aug 18 '17 at 17:34 ...
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Stop Mongoose from creating _id property for sub-document array items

...t declaration. var schema = new mongoose.Schema({ field1:{ type:String }, subdocArray:[{ _id:false, field :{type:String} }] }); This will prevent the creation of an _id field in your subdoc. Tested in Mongoose v5.9.10 ...
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How to recursively download a folder via FTP on Linux [closed]

...rectory Note the double slash after the server name. If you don't put an extra slash the path is relative to the home directory of user. -nH avoids the creation of a directory named after the server name -nc avoids creating a new file if it already exists on the destination (it is just skipped) ...
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How and when to use ‘async’ and ‘await’

...ender, EventArgs e) { // Call the method that runs asynchronously. string result = await WaitAsynchronouslyAsync(); // Call the method that runs synchronously. //string result = await WaitSynchronously (); // Display the result. textBox1.Text += result; } // The following ...
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Way to get number of digits in an int?

... Your String-based solution is perfectly OK, there is nothing "un-neat" about it. You have to realize that mathematically, numbers don't have a length, nor do they have digits. Length and digits are both properties of a physical re...
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The Definitive C Book Guide and List

...mmon mechanisms and data structures in C, such as lists, sets, exceptions, string manipulation, memory allocators, and more. Basically, Hanson took all the code he'd written as part of building Icon and lcc and pulled out the best bits in a form that other people could reuse for their own projects. ...