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How to query SOLR for empty fields?

...ou need to change QueryParameter.cs (Create a new parameter) private bool _negativeQuery = false; public QueryParameter(string field, string value, ParameterJoin parameterJoin = ParameterJoin.AND, bool negativeQuery = false) { this._field = field; this._value = value.Trim(); this._para...
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iOS 7's blurred overlay effect using CSS?

...e want to try, so I did, check out the example here: http://codepen.io/Edo_B/pen/cLbrt Using: HW Accelerated CSS filters JS for class assigning and arrow key events Images CSS Clip property that's it. I also believe this could be done dynamically for any screen if using canvas to copy the cu...
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Best way to serialize an NSData into a hexadeximal string

...rsion.h #import <Foundation/Foundation.h> @interface NSData (NSData_Conversion) #pragma mark - String Conversion - (NSString *)hexadecimalString; @end NSData+Conversion.m #import "NSData+Conversion.h" @implementation NSData (NSData_Conversion) #pragma mark - String Conversion - (NSStr...
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Random String Generator Returning Same String [duplicate]

...ce of calls to Convert and Floor and NextDouble): private readonly Random _rng = new Random(); private const string _chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; private string RandomString(int size) { char[] buffer = new char[size]; for (int i = 0; i < size; i++) { buffer[i] = _c...
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Best way to test if a row exists in a MySQL table

...ng': SELECT * FROM test WHERE texte LIKE '%something%' LIMIT 1 with mysql_num_rows() : 0.039061069488525s. (FASTER) SELECT count(*) as count FROM test WHERE text LIKE '%something% : 16.028197050095s. SELECT EXISTS(SELECT 1 FROM test WHERE text LIKE '%something%') : 0.87045907974243s. SELECT EXIS...
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Why can I access TypeScript private members when I shouldn't be able to?

... Doesn't typescript do this ALL the time by setting var _this for use in scoped functions? Why would you have qualms doing it at the class scope? – DrSammyD Mar 24 '16 at 17:22 ...
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How to prevent IFRAME from redirecting top-level window

...hen the iframe is loaded. <script type="text/javasript"> var prevent_bust = false ; var from_loading_204 = false; var frame_loading = false; var prevent_bust_timer = 0; var primer = true; window.onbeforeunload = function(event) { prevent_bust = !from_loading_204 &...
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Some built-in to pad a list in python

... a += [''] * (N - len(a)) or if you don't want to change a in place new_a = a + [''] * (N - len(a)) you can always create a subclass of list and call the method whatever you please class MyList(list): def ljust(self, n, fillvalue=''): return self + [fillvalue] * (n - len(self)) a...
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How to convert boost path type to string?

... canonical is deprecated in newer versions of Boost boost.org/doc/libs/1_48_0/libs/filesystem/v3/doc/… – Brian Jack Nov 30 '14 at 2:59 ...
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Mediator Vs Observer Object-Oriented Design Patterns

...o has access to it) function Person(name) { let self = this; this._name = name; this._chat = null; this._receive(from, message) { console.log("{0}: '{1}'".format(from.name(), message)); } this._send(to, message) { this._chat.message(this, to, message...