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Array initializing in Scala
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scala> val arr = Array("Hello","World")
arr: Array[java.lang.String] = Array(Hello, World)
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How to properly use unit-testing's assertRaises() with NoneType objects? [duplicate]
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If you are using python2.7 or above you can use the ability of assertRaises to be use as a context manager and do:
with self.assertRaises(TypeError):
self.testListNone[:1]
If you are using python2.6 another way beside the one given until now is ...
Will Dispose() be called in a using statement with a null object?
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The expansion for using checks that the object is not null before calling Dispose on it, so yes, it's safe.
In your case you would get something like:
IDisposable x = GetObject("invalid name");
try
{
// etc...
}
finally
{
if(x != ...
Is == in PHP a case-sensitive string comparison?
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Yes, == is case sensitive.
You can use strcasecmp for case insensitive comparison
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How to launch html using Chrome at “--allow-file-access-from-files” mode?
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Search for the path of your Chrome executable and then, on your cmd, try :
> "C:\PathTo\Chrome.exe" --allow-file-access-from-files
Source
EDIT :
As I see on your question, don't forget that Windows is a little bit similar to U...
Python - Get path of root project structure
... to the Project Root from a file that is in the top-level of the project. For example, if this is what your project structure looks like:
project/
configuration.conf
definitions.py
main.py
utils.py
In definitions.py you can define (this requires import os):
ROOT_DIR = os.path.dir...
Batch files - number of command line arguments
...Googling a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do Set /A argC+=1
echo %argC%
Seems like cmd.exe has evolved a bit from the old DOS days :)
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count number of lines in terminal output
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It should be noted that this trick of piping to wc will work for any output, not just grep output. For example, it can be combined with a git diff.
– Jason L.
Aug 15 '18 at 18:44
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Is “double hashing” a password less secure than just hashing it once?
Is hashing a password twice before storage any more or less secure than just hashing it once?
16 Answers
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In SQL Server, when should you use GO and when should you use semi-colon ;?
I’ve always been confused with when I should use the GO keyword after commands and whether a semi-colon is required at the end of commands. What is the differences and why/when I should use them?
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