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Unexpected Caching of AJAX results in IE8

...d Microsoft service proxy its not as simple to solve. The trick is to use Sys.Net.WebRequestManager.add_invokingRequest method in the event handler change the request url: networkRequestEventArgs._webRequest._url = networkRequestEventArgs._webRequest._url + '&nocache=' + new Date().getMillisec...
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How to analyze a java thread dump?

...ead dump. A Java thread is implemented by a native thread of the operating system. Each thread is represented by a line in bold such as: "Thread-1" (TID:0x9017A0, sys_thread_t:0x23EAC8, state:R, native ID:0x6E4) prio=5 *The following 6 items explains this as I've matched them from the ...
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What's the canonical way to check for type in Python?

...ve an object or an array of objects, and I use type-checking internally to convert a single object to a one-element list. – sastanin Jan 12 '09 at 11:21 14 ...
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How to normalize a NumPy array to within a certain range?

...performed. If they are not already of floating-point dtype, you'll need to convert them using astype. For example, image = image.astype('float64') share | improve this answer | ...
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SQL NVARCHAR and VARCHAR Limits

...sult will be typed as nvarchar(max). nvarchar(max) + varchar(n) will first convert the varchar(n) input to nvarchar(n) and then do the concatenation. If the length of the varchar(n) string is greater than 4,000 characters the cast will be to nvarchar(4000) and truncation will occur. Datatypes of s...
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Best way to store time (hh:mm) in a database

.... Why spend extra time writing code that loads an int, manipulates it, and converts it into a datetime, when you could just load a datetime? share | improve this answer | fol...
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In C#, why is String a reference type that behaves like a value type?

...rence, rather than primitive, type. Plus, if string were a value type then converting it to object would require it to be boxed, a needless inefficiency). – Qwertie Jun 25 '10 at 15:50 ...
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Java 256-bit AES Password-Based Encryption

...ecretKey secret = null; // since we pass it as a string of input, convert to a actual byte buffer here mSalt = Hex.decodeHex (salt.toCharArray ()); Db ("got salt " + Hex.encodeHexString (mSalt)); // get initialization vector from passed string mInitVec = Hex....
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Summarizing multiple columns with dplyr? [duplicate]

...le(1:5, 10, replace=T), grp = sample(1:3, 10, replace=T)) # Convert to tidy format using gather df %>% gather(key = variable, value = value, a:d) %>% group_by(grp, variable) %>% summarize(mean = mean(value)) %>% spread(variable, mean) #> Source: local da...
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Unresolved Import Issues with PyDev and Eclipse

... If you set the pydev properties correctly, you don't need to mess with sys.path – Velociraptors Jan 8 '11 at 5:14 6 ...