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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...s, so they are defined in such a way that the beginning and the end of the string have working zero-length expressions.
array[4, 0] = :sandwich
array[0, 0] = :crunchy
=> [:crunchy, :peanut, :butter, :and, :jelly, :sandwich]
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The point of test %eax %eax [duplicate]
I'm very very new to assembly language programming, and I'm currently trying to read the assembly language generated from a binary. I've run across
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Where is the Java SDK folder in my computer? Ubuntu 12.04
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WAY-1 : Updated for the shortest and easy way
Below command will give you the path, But it will only work if java command is working in other words if java path is configured.
readlink -f $(which java)
Read more at Where can I find the Java SDK in Lin...
cv2.imshow command doesn't work properly in opencv-python
...e code created a window of the correct name, but its content is just blank and doesn't show the image:
15 Answers
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Decode Base64 data in Java
...he private Sun and the Commons implementations use this. Specifically, for String bigger than 76 characters, newlines are added. I didn't find how to configure JAXB's implementation for this behavior... :-(
– KLE
Mar 18 '10 at 10:25
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How to reset or change the MySQL root password?
...lumn doesn't exist, you may want to try:
UPDATE user SET authentication_string=password('YOURNEWPASSWORD') WHERE user='root';
Note: This method is not regarded as the most secure way of resetting the password, however, it works.
References:
Set / Change / Reset the MySQL root password on Ubu...
Nullable ToString()
...question, the former solution is suggested while nobody actually notices ToString() already gives the correct answer.
Maybe the argument for the more verbose solution is readability: When you call ToString() on something that is supposed to be null, you usually expect a NullReferenceException, alth...
How to center icon and text in a android button with width set to “fill parent”
...= (Button) findViewById(R.id.button);
Spannable buttonLabel = new SpannableString(" Button Text");
buttonLabel.setSpan(new ImageSpan(getApplicationContext(), R.drawable.icon,
ImageSpan.ALIGN_BOTTOM), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
button.setText(buttonLabel);
In my case I nee...
Using R to list all files with a specified extension
...- list.files(pattern = "\\.dbf$")
$ at the end means that this is end of string. "dbf$" will work too, but adding \\. (. is special character in regular expressions so you need to escape it) ensure that you match only files with extension .dbf (in case you have e.g. .adbf files).
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Case insensitive XPath contains() possible?
...over all textnodes of my DOM and check if the nodeValue contains a certain string.
6 Answers
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