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Pragma in define macro

...andard, or 16.9 of the c++0x final committee draft) For example, #define STRINGIFY(a) #a #define DEFINE_DELETE_OBJECT(type) \ void delete_ ## type ## _(int handle); \ void delete_ ## type(int handle); \ _Pragma( STRINGIFY( weak de...
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How to apply a CSS filter to a background image

... A slightly better way to do this is to use .content:before instead of the extra "background-image" markup. I updated the pen here : codepen.io/akademy/pen/FlkzB – Matthew Wilcoxson Jan 27 '14 at 20:10 ...
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Change private static final field using Java reflection

....FINAL); field.set(null, newValue); } public static void main(String args[]) throws Exception { setFinalStatic(Boolean.class.getField("FALSE"), true); System.out.format("Everything is %s", false); // "Everything is true" } } Assuming no SecurityException is thrown...
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Cast Object to Generic Type for returning

...ssCastException e) { return null; } } public static void main(String[] args) { String k = convertInstanceOfObject(345435.34); System.out.println(k); } and the corresponding byte code is: public static <T> T convertInstanceOfObject(java.lang.Object); Code: 0: ...
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How do I convert Word files to PDF programmatically? [closed]

...ane.Pages) { var bits = p.EnhMetaFileBits; var target = path1 +j.ToString()+ "_image.doc"; try { using (var ms = new MemoryStream((byte[])(bits))) { var image = System.Drawing.Image.FromStream(ms); var pngTarget = Path.ChangeExtension(target, ...
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How do you manage databases in development, test, and production?

...the old db version or external data source do not use hardcode connection strings in the code ( even not in the config files ) - use in the config files connection string templates , which you do populate dynamically , each reconfiguration of the application_layer which does need recompile is BAD d...
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re

I am using split('\n') to get lines in one string, and found that ''.split() returns an empty list, [] , while ''.split('\n') returns [''] . Is there any specific reason for such a difference? ...
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]

...must be unique # that is why I like sphinx # you can store custom string fields into indexes (memory) as well sql_field_string = title sql_field_string = slug sql_field_string = content sql_field_string = tags sql_attr_uint = category # integer fields must be define...
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ZeroMQ的学习和研究(PHP代码实例) - C/C++ - 清泛网 - 专注C/C++及内核技术

...tal_temp = 0; for ($update_nbr = 0; $update_nbr < 100; $update_nbr++) { $string = $subscriber->recv (); sscanf ($string, "%d %d %d", $zipcode, $temperature, $relhumidity); $total_temp += $temperature; } printf ("Average temperature for zipcode '%s' was %dF\n", $filter, (int) ($total_temp / $u...
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

...eness on a single collection if you use other types for the key, such as a string in your example. – mstearn Jan 13 '11 at 6:18 ...