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scala vs java, performance and memory? [closed]
...u have an array of strings (called array), and a map from those strings to files (called mapping). Suppose you want to get all files that are in the map and come from strings of length greater than two. In Java, you might
int n = 0;
for (String s: array) {
if (s.length > 2 && mapping...
How to convert a string to utf-8 in Python
...
Might be a bit overkill, but when I work with ascii and unicode in same files, repeating decode can be a pain, this is what I use:
def make_unicode(input):
if type(input) != unicode:
input = input.decode('utf-8')
return input
...
System.Net.Http: missing from namespace? (using .net 4.5)
...he System.Net.Http assembly is installed in the project which contains the file you're looking at? You can adjust which projects load which nuget packages in the Package Manager
– Haymaker87
Aug 3 '15 at 22:06
...
SHA-1 fingerprint of keystore certificate
.../ is your home directory in *nix systems. Under Windows, just use %USERPROFILE%
– Jay Sidri
Nov 25 '14 at 23:28
1
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Pretty Printing a pandas dataframe
...builds on the to_html('temp.html') answer above, but instead of creating a file displays the well formatted table directly in the notebook:
from IPython.display import display, HTML
display(HTML(df.to_html()))
Credit for this code due to example at: Show DataFrame as table in iPython Notebook
...
Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
...tion and scan classes of all artifacts including jar, ejb-jar, war and ear files in deployment time and gather and store some metadata about them, then when you need an object of a class at runtime they will give you instances of those classes and after finishing the job, they will destroy them.
So...
Hibernate show real SQL [duplicate]
...u can enable logging of the following categories (using a log4j.properties file here):
log4j.logger.org.hibernate.SQL=DEBUG
log4j.logger.org.hibernate.type=TRACE
The first is equivalent to hibernate.show_sql=true, the second prints the bound parameters among other things.
Reference
Hibernate 3...
log all sql queries
...as stacktraces of where they occur etc.
EDIT: to log all SQL queries to a file etc, then you will want to create some middleware. Middleware gets run on every request. There are several Django snippets out there for this sort of thing:
http://djangosnippets.org/snippets/290/
http://djangosnippe...
How do I provide custom cast support for my class?
...ar encodedStr = EncodedString.FromString(text, Encoding.UTF8);
var fileName = Path.GetTempFileName();
// Implicit conversion EncodedString --> byte[]
File.WriteAllBytes(fileName, encodedStr);
// Explicit conversion byte[] --> EncodedString
// Prints *w...
Internal vs. Private Access Modifiers
...h they are declared.
Internal types or members are accessible only within files in the same assembly
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