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Why cannot cast Integer to String in java?
....toString(myInt, radix) that lets you specify whether you want hex, octal, etc. If you want to be consistent in your code (purely aesthetically, I guess) the second form can be used in more places.
Edit 2 I assumed you meant that your integer was an int and not an Integer. If it's already an Intege...
Add a CSS border on hover without moving the element [duplicate]
...1px to each side. or if you need only for side you can do margin-left:-1px etc.
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Most tricky/useful commands for gdb debugger [closed]
...gt;. This command file can contain gdb commands like breakpoints, options, etc. Useful in case a particular executable needs to be put through successive debug runs using gdb.
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Substitute multiple whitespace with single whitespace in Python [duplicate]
....split(None)) splits on sequences of whitespace (including tabs, newlines, etc, like re's \s) of length 1+ -- and it's pretty fast indeed. So, always glad to help!
– Alex Martelli
Jan 16 '10 at 16:25
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Get the current time in C
...ou don't need a time_t object as the argument for time(). Putting NULL, 0, etc as the parameter works to return the current time.
– Super Cat
Dec 21 '15 at 0:30
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AVD Manager - Cannot Create Android Virtual Device
...e sure you don't have spaces (or other illegal characters like '+','=','/',etc) in the "AVD Name" field. Spaces broke it for me.
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How can I see the assembly code for a C++ program?
...ou're using should have an assembly view (Visual Studio, Borland IDE, gdb, etc.). If you are not using a debugger and you merely want to see what assembly is in a program, you can use a disassembler or alternatively, run the program and attach to it with a debugger and do the dump from there. See re...
How to increase editor font size?
... such as "Custom", then all fields become to editable, font, space, color, etc.
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How do I remove background-image in css?
... framewokrk.css like select2.css in IE9 background-image: -webkit-gradient etc. and you want it via another .css rewrite with "background-image: none !important" not works. I used same color to color gradient like page background color.
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How should one use std::optional?
... fail
This requires dynamic memory allocation, worrying about ownership, etc. - always prefer one of the other two signatures above.
Another example:
class Contact
{
std::optional<std::string> home_phone;
std::optional<std::string> work_phone;
std::optional<std::stri...