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MySQL load NULL values from CSV data
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I have a csv file that contains zeros 0 that should be converted to NULL (because it is not possible to have zero value for the data in question) and also empty strings. How to make sure that both zeros and empty strings are converted to NULL?
– Paul Rougieu...
How to check if an int is a null
...f primitive type. You don't need to worry about data type difference. Java converts int primitive type data to Integer.
When concerning about the memory Integer takes more memory than int. But the difference of memory allocation, nothing to be considered.
In this case you must use Inter instead o...
error C2664:...No user-defined-conversion operator available that can ...
... >(unsigned int,const int &,
const class std::allocator<int> &)' : cannot convert parameter 1 from 'class std::deque<int,class std::allocator<int> >::iterator' to 'unsigned int'
No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called...
How can I find the latitude and longitude from address?
...Address is a string containing the address. The address variable holds the converted addresses.
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通信连接组件 · App Inventor 2 中文网
...像的Base64编码及解码方法，便于图像文件的通信传输。此插件仅提供2个函数，使用非常方便，几乎没有学习成本。
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EncodeImage
DecodeImage
MqttClient 拓展
.aix 拓展及demo程序打包下载：
UrsAI2Paho.zip
MQT...
CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
... return in a ToString() as it is a static method. You can replace it with Convert.ToString() that can enable null value.
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How to use int.TryParse with nullable int? [duplicate]
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T is implicitly convertible to T? for structs. This is overkill.
– FMM
Oct 28 '15 at 16:11
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Move capture in lambda
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Note that in Visual Studio 2013, converting a std::bind to a std::function still results in it copying all the bound variables (myPointer in this case). Therefore the above code does not compile in VS2013. It woks fine in GCC 4.8 though.
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Convert NSData to String?
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Because the people that are here are converting a data response from a server to a string.
– Necro
Nov 21 '13 at 4:58
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Convert a list of characters into a string
... the reason for this: in my program I recv a list of int from network then convert to string where map(ord,a) is unnecessary, but join needs map(chr,a). Here's my benchmark pastebin.com/1sKFm8ma
– bigeagle
Apr 8 '12 at 15:11
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