Visual Studio debugger – Displaying integer values in Hex
Right-click your Watch Window or Immediate Window and uncheck Hexadecimal Display option.
debugging
Profiling Vim startup time
If you’re using Vim 7.2.269 or later, then there’s the –startuptime option you can use. vim –startuptime vim.log from the help (vim -h): –startuptime <file> Write startup timing messages to <file>
Paused in debugger in chrome?
One possible cause, it that you’ve enabled the “pause on exceptions” (the little stop-sign shaped icon with the pause (||) symbol within in the lower left of the window). Try clicking that back to the off/grey state (not red nor blue states) and reload the page.
How to var_dump variables in twig templates?
As of Twig 1.5, the correct answer is to use the dump function. It is fully documented in the Twig documentation. Here is the documentation to enable this inside Symfony. {{ dump(user) }}
Chrome Development Tool: [VM] file from javascript
[VM] (scriptId) has no special meaning. It’s a dummy name to help us to distinguish code which are not directly tied to a file name, such as code created using eval and friends. In the past, all of these scripts were just labelled (program). If you’re interested, just look up “[VM]”in the source code of … Read more
Chrome: Uncaught SyntaxError: Unexpected end of input
This particular error is one annoying fact about v8. In most cases your JavaScript is broken in some way. For example missing a } or something like that. Example given, this will yield “Unexpected end of input” too: eval(‘[{“test”: 4}’) // notice the missing ] But the root cause of the problems seems to be … Read more
How does a debugger work?
The details of how a debugger works will depend on what you are debugging, and what the OS is. For native debugging on Windows you can find some details on MSDN: Win32 Debugging API. The user tells the debugger which process to attach to, either by name or by process ID. If it is a … Read more
Accessing console and devtools of extension’s background.js
You’re looking at the wrong place. These console messages do not appear in the web page, but in the invisible background page (ManifestV2) or service worker (ManifestV3). To view the correct console open devtools for the background script’s context: Visit chrome://extensions/ or right-click the extension icon and select “Manage extensions”. Enable developer mode Click on … Read more
Debugging in Clojure? [closed]
There’s also dotrace, which allows you to look at the inputs and outputs of selected functions. (use ‘clojure.contrib.trace) (defn fib[n] (if (< n 2) n (+ (fib (- n 1)) (fib (- n 2))))) (dotrace [fib] (fib 3)) produces the output: TRACE t4425: (fib 3) TRACE t4426: | (fib 2) TRACE t4427: | | (fib … Read more
How can I make gdb save the command history?
Short answer: mkdir -p ~/.config/gdb echo ‘set history save on’ >> ~/.config/gdb/gdbinit Long answer: Command history is covered in the GDB manual, 22.3 Command History. Create a file $HOME/.config/gdb/gdbinit, and add the following line: set history save on You can set the number of past commands saved with the following. The command is described as … Read more