After reading the base64 wiki … I’m trying to figure out how’s the formula working : Given a string with length of n , the base64 length will be Which is : 4*Math.Ceiling(((double)s.Length/3))) I already know that base64 length must be %4==0 to allow the decoder know what was the original text length. The max … Read more
I’m trying to build two functions using PyCrypto that accept two parameters: the message and the key, and then encrypt/decrypt the message. I found several links on the web to help me out, but each one of them has flaws: This one at codekoala uses os.urandom, which is discouraged by PyCrypto. Moreover, the key I … Read more
How do you make an absolute positioned element honor the padding of its parent? I want an inner div to stretch across the width of its parent and to be positioned at the bottom of that parent, basically a footer. But the child has to honor the padding of the parent and it’s not doing … Read more
I have a UILabel where I want to add space in the top and in the bottom. With the minimum height in constraints, I’ve modified it to: To do this I’ve used: override func drawTextInRect(rect: CGRect) { var insets: UIEdgeInsets = UIEdgeInsets(top: 0.0, left: 10.0, bottom: 0.0, right: 10.0) super.drawTextInRect(UIEdgeInsetsInsetRect(rect, insets)) } But I’ve to … Read more
When I have a TextView with a \n in the text,, on the right I have two singleLine TextViews, one below the other with no spacing in between. I have set the following for all three TextViews. android:lineSpacingMultiplier=”1″ android:lineSpacingExtra=”0pt” android:paddingTop=”0pt” android:paddingBottom=”0pt” The first line of the left TextView lines up perfectly with the top right … Read more
I am creating a site with DIVs. Everything’s working out except when I create a DIV. I create them like this (example): newdiv { width: 200px; height: 60px; padding-left: 20px; text-align: left; } When I add the padding-left property, the width of the DIV changes to 220px, and I want it to remain at 200px. … Read more
This question already has answers here: How can I pad a String in Java? (29 answers) Closed 5 years ago. I’ve seen similar questions here and here. But am not getting how to left pad a String with Zero. input: “129018” output: “0000129018” The total output length should be TEN. 20 Answers 20
Consider: struct mystruct_A { char a; int b; char c; } x; struct mystruct_B { int b; char a; } y; The sizes of the structures are 12 and 8 respectively. Are these structures padded or packed? When does padding or packing take place? 11 Answers 11
Is there an easy way to add padding between the checkbox in a CheckBox control, and the associated text? I cannot just add leading spaces, because my label is multi-line. As-is, the text is way too close to the checkbox: 32 Answers 32 I hate to answer my own question, but in this case I … Read more
I am developing Android v2.2 app. I have a Fragment. In the onCreateView(…) callback of my fragment class, I inflate an layout to the fragment like below: @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.login, null); return view; } The above inflated layout file is (login.xml): <?xml version=”1.0″ encoding=”utf-8″?> … Read more
