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Keystore type: which one to use?
... particularly convenient to use certificates (with private keys) backed up from a browser or coming from OpenSSL-based tools (keytool wasn't able to convert a keystore and import its private keys before Java 6, so you had to use other tools).
If you already have a PKCS#12 file, it's often easier to...
How to print matched regex pattern using awk?
...line of a shell command), you can also try this very compact code, adopted from How to print regexp matches using `awk`?:
$ echo "xxx yyy zzz" | awk '{match($0,"yyy",a)}END{print a[0]}'
yyy
Or the more complex version with a partial result:
$ echo "xxx=a yyy=b zzz=c" | awk '{match($0,"yyy=([^ ]+...
What linux shell command returns a part of a string? [duplicate]
...
what do we need to do if we want to start from 3rd char till end of the string ie: "abcdef" we need cdef then echo "abcdef" | cut -c3?"
– user1731553
Apr 5 '16 at 5:46
...
Is nested function a good approach when required by only one function? [closed]
... return arg+1
some_data = method_b2(self, arg)
obj = Test()
"""
from timeit import Timer
print(min(Timer(stmt='obj.separate(42)', setup=setup).repeat())) # -> 0.24479823284461724
print(min(Timer(stmt='obj.nested(42)', setup=setup).repeat())) # -> 0.26553459700452575
Note I add...
What should every JavaScript programmer know? [closed]
...ing the sometimes-ugly details of how JavaScript and the DOM actually work from you. If your aim is to be able to say “I know JavaScript”, then investing a lot of time in a framework is opposed to that.
Here are some JavaScript language features that you should know to grok what it's doing and ...
What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...erstand, but I'd like to avoid this check. How can I create a new ObjectId from a given string (from the GET request) for passing it to the findById method?
– gremo
Feb 18 '13 at 17:58
...
Are Roslyn SyntaxNodes reused?
...acteristics:
Immutable.
The form of a tree.
Cheap access to parent nodes from child nodes.
Possible to map from a node in the tree to a character offset in the text.
Persistent.
By persistence I mean the ability to reuse most of the existing nodes in the tree when an edit is made to the text buf...
How can I pass a parameter to a Java Thread?
...imilar to your anonymous class example, except I access parameter directly from the run() method without using a field like p at all. It seems to work. Is there some subtle multithreading thing I am missing by not copying parameter to p beforehand?
– Randall Cook
...
Ant task to run an Ant target only if a file exists?
...
This might make a little more sense from a coding perspective (available with ant-contrib: http://ant-contrib.sourceforge.net/):
<target name="someTarget">
<if>
<available file="abc.txt"/>
<then>
...
...
How do I set a JLabel's background color?
...ckground is not painted, since the default of opaque is false for JLabel.
From the JavaDocs:
If true the component paints every pixel within its bounds. Otherwise, the component may not paint some or all of its pixels, allowing the underlying pixels to show through.
For more information, rea...