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How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
...e following code limits the types to those located within the assembly and allows a predicate to further restrict the list of types.
/// <summary>
/// Get the types within the assembly that match the predicate.
/// <para>for example, to get all types within a namespace</p...
Is Random class thread safe?
...share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular?
...
How to generate an openSSL key using a passphrase from the command line?
... running on the machine at the time, since command-line arguments are generally visible to all processes.
A better alternative is to write the passphrase into a temporary file that is protected with file permissions, and specify that:
openssl genrsa -aes128 -passout file:passphrase.txt 3072
Or s...
Significance of bool IsReusable in http handler interface
... writing a http handler/module, there is an interface member to implement called - bool IsReusable .
3 Answers
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How to invoke a Linux shell command from Java
...
Thank you. This worked. Actually I used "sh" instead of "csh".
– Farshid
Jun 2 '12 at 11:12
5
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
...
I found a faster way to solve the problem, at least on realistically large datasets using:
df.set_index(KEY).to_dict()[VALUE]
Proof on 50,000 rows:
df = pd.DataFrame(np.random.randint(32, 120, 100000).reshape(50000,2),columns=list('AB'))
df['A'] = df['A'].apply(chr)
%timeit dict(zip(df...
Undo a particular commit in Git that's been pushed to remote repos
... And use the -n switch if you want the code back, but not automatically committed in again
– jaygooby
Nov 22 '11 at 12:09
18
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How to escape special characters in building a JSON string?
...Tab
\" Double quote
\\ Backslash character
However, even if it is totally contrary to the spec, the author could use \'.
This is bad because :
It IS contrary to the specs
It is no-longer JSON valid string
But it works, as you want it or not.
For new readers, always use a double quote...
Why is the Java main method static?
...c because otherwise there would be ambiguity: which constructor should be called? Especially if your class looks like this:
public class JavaClass{
protected JavaClass(int x){}
public void main(String[] args){
}
}
Should the JVM call new JavaClass(int)? What should it pass for x?
If not,...
Showing Travis build status in GitHub repo
...pdate. Service hooks are enabled- otherwise I wouldn't get Travis build at all?
– andig
Nov 6 '13 at 11:19
2
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