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The role of #ifdef and #ifndef
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Text inside an ifdef/endif or ifndef/endif pair will be left in or removed by the pre-processor depending on the condition. ifdef means "if the following is defined" while ifndef means "if the following is not defined".
So:
#define one 0
#ifdef one
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proper hibernate annotation for byte[]
... JPA @Lob annotation, and hibernate 3.1 can read these just fine on all major databases -- it seems to hide the JDBC Blob vendor peculiarities (as it should do).
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Is there any algorithm in c# to singularize - pluralize a word?
Is there any algorithm in c# to singularize - pluralize a word (in english) or does exist a .net library to do this (may be also in different languages)?
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Simple and fast method to compare images for similarity
I need a simple and fast way to compare two images for similarity. I.e. I want to get a high value if they contain exactly the same thing but may have some slightly different background and may be moved / resized by a few pixel.
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How do you clear Apache Maven's cache?
Recently, Apache Maven seems to be having caching issues. Performing clean installs on our projects using Windows Vista or Windows 7 sometimes produce artifacts with the same data as a previous build even though the newer artifact's files should have been updated.
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How to import the class within the same directory or sub directory?
I have a directory that stores all the .py files.
13 Answers
13
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Packing NuGet projects compiled in release mode?
...here some way to make a NuGet package using code compiled in release mode? Or is there some reason I should only publish (make available locally, in this case) packages compiled in debug mode?
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Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
... to check:
make sure the annotation is javax.persistence.Entity, and not org.hibernate.annotations.Entity. The former makes the entity detectable. The latter is just an addition.
if you are manually listing your entities (in persistence.xml, in hibernate.cfg.xml, or when configuring your session f...
What is RPC framework and Apache Thrift?
I need to learn Apache Thrift for a University project. As this tutorial says, it is an RPC framework, and it was the only document I could find for Thrift other than their documentation .
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Check whether a string contains a substring
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It will return the position of the first occurrence of $substr in $str, or -1 if the substring is not found.
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