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How do I get into a non-password protected Java keystore or change the password?
...tore , but I have a problem. I tried to list existing trusted certificates and it seems that the keystore isn't password protected.
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Remove characters from NSString?
... i like it! I want to remove all special char in a phone number and keep only digits.
– karim
Mar 15 '11 at 16:23
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Defining a function with multiple implicit arguments in Scala
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They must all go in one parameter list, and this list must be the last one.
def myfun(arg:String)(implicit p1: String, p2:Int)={}
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How do I modify fields inside the new PostgreSQL JSON datatype?
...bject('<key>', '<value>')
Where <key> should be string, and <value> can be whatever type to_jsonb() accepts.
For setting a value deep in a JSON hierarchy, the jsonb_set() function can be used:
SELECT jsonb_set('{"a":[null,{"b":[]}]}', '{a,1,b,0}', jsonb '{"c":3}')
-- will yi...
Automatically enter SSH password with script
... passed.
Using -f prevents the password from being visible if the ps command is executed.
The file that the password is stored in should have secure permissions.
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.NET / C# - Convert char[] to string
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Note that new string(null) yields String.Empty and not null! If you want to keep null, you can make an extension method static string ToStringSafe(this char[] buf) { return buf == null ? null : new string(buf); }.
– Skod
Aug 10 '15 ...
error upon assigning Layout: BoxLayout can't be shared
...d to the ContentPane so it will look like it's 'shared' between the JFrame and the ContentPane
Do this instead:
JFrame frame = new JFrame();
frame.setLayout(new BoxLayout(frame.getContentPane(), BoxLayout.Y_AXIS));
frame.add(new JLabel("Hello World!"));
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Relative frequencies / proportions with dplyr
...a subsequent group_by(am), to make your code more explicit.
For rounding and prettification, please refer to the nice answer by @Tyler Rinker.
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Multiple ModelAdmins/views for same model in Django admin
...e more than one ModelAdmin for the same model, each customised differently and linked to different URLs?
2 Answers
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Use curly braces to initialize a Set in Python
I'm learning python, and I have a novice question about initializing sets. Through testing, I've discovered that a set can be initialized like so:
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