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Missing return statement in a non-void method compiles
... marked as returning int, but in fact does not return, then you should be happy that the compiler flags this, so you can mark the method as void or fix it if you did not intend for that behaviour.
– MikeFHay
May 28 '13 at 14:37
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Utils to read resource text file to String (Java) [closed]
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@JonSkeet This is great, however for web applications it might not be the best solution, the implementation of getResource is using Resource.class.getClassLoader but in web applications, this might not be "your" class loader, so it's recommended (e.g. in [1]) to use...
Fundamental difference between Hashing and Encryption algorithms
...ant an explanation, I'll do my best here:
Hash Functions
They provide a mapping between an arbitrary length input, and a (usually) fixed length (or smaller length) output. It can be anything from a simple crc32, to a full blown cryptographic hash function such as MD5 or SHA1/2/256/512. The point...
Strings as Primary Keys in SQL Database [closed]
... in the right place in the page. When the page is full, a page split will happen, with half of the rows on the page going to one page, and half going on the other. The pages are then relinked into the linked list of pages that comprise a tables data that has the clustered index. At most, you will en...
互联网健身的火爆：技术驱动是内因 资本只是点缀 - 资讯 - 清泛网 - 专注C/...
...9月17日，动吧体育获得3000万A轮融资；就在同一天，足球APP懂球帝获得B轮1000万美元融资；11月8日，健康猫获得A轮3500万融资；12月1日，柠檬健身获得A轮数千万融资……
同所有被资本关注过的行业一样，互联网健身在出现的那一...
What does status=canceled for a resource mean in Chrome Developer Tools?
...he source to find all the places where requests could get cancelled, and slapped breakpoints on all of them to debug. From memory, the only places where Chrome will cancel a request:
The DOM element that caused the request to be made got deleted (i.e. an IMG is being loaded, but before the load ha...
Create an index on a huge MySQL production table without table locking
...h to help you with the cut-over. You have to reconfigure and restart your app.
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Padding is invalid and cannot be removed?
... to my program but can't seem to find a solution or the reason why it's happening to my specific program. I have been using the example provided my msdn for encrypting and decrypting an XmlDocument using the Rijndael algorithm. The encryption works fine but when I try to decrypt, I get the followi...
What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
...cifications is as follows.
For ClassNotFoundException:
Thrown when an application tries to
load in a class through its string
name using:
The forName method in class Class.
The findSystemClass method in class ClassLoader.
The loadClass method in class ClassLoader.
but n...
In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
...ng get_readonly_fields.
Usually you should declare something like this in app/admin.py:
class ItemAdmin(admin.ModelAdmin):
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readonly_fields = ('url',)
I've adapted in this way:
# In the admin.py file
class ItemAdmin(admin.ModelAdmin):
...
def get_readonly_fields(self, request...