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Beyond Stack Sampling: C++ Profilers
...ue will reveal portions of your code that are CPU bound. Which is awesome if that is the bottle neck in your application. Not so great if your application threads spend most of their time fighting over a mutex.
A time sampling profiler grabs a stack trace every N microseconds.
This technique will ...
BASH copy all files except one
...
Simple, if src/ only contains files:
find src/ ! -name Default.png -exec cp -t dest/ {} +
If src/ has sub-directories, this omits them, but does copy files inside of them:
find src/ -type f ! -name Default.png -exec cp -t dest/ {...
What are the benefits to marking a field as `readonly` in C#?
...nly? Is it just protecting against someone changing its value during the lifecycle of the class or does using this keyword result in any speed or efficiency improvements?
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Adjust width and height of iframe to fit with content in it
I need a solution for auto-adjusting the width and height of an iframe to barely fit its content. The point is that the width and height can be changed after the iframe has been loaded. I guess I need an event action to deal with the change in dimensions of the body contained in the iframe...
What is the common header format of Python files?
...y, e.g. in a CGI context.
Next should be the docstring with a description. If the description is long, the first line should be a short summary that makes sense on its own, separated from the rest by a newline.
All code, including import statements, should follow the docstring. Otherwise, the docstr...
Can I control the location of .NET user settings to avoid losing settings on application upgrade?
...As for the second question, it depends on how you deploy the application. If you deploy via a .msi, then there are two hashes in the properties of the setup project (that the msi is built from), the 'upgrade code' and the 'product code'. These determine how the msi can be installed, and if it upgr...
How to delete the last n commits on Github and locally?
...ally I'd suggest using:
git reset --hard HEAD^^
Rebase is a completely different operation that won't help you here.
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Why would you ever implement finalize()?
... it needs to be called.
Implement finalize() to do the close() processing if you detect it hasn't been done. Maybe with something dumped to stderr to point out that you're cleaning up after a buggy caller.
It provides extra safety in an exceptional/buggy situation. Not every caller is going to do...
Is there a CSS selector by class prefix?
...nt to apply a CSS rule to any element whose one of the classes matches specified prefix.
4 Answers
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How can I set focus on an element in an HTML form using JavaScript?
...
Do this.
If your element is something like this..
<input type="text" id="mytext"/>
Your script would be
<script>
function setFocusToTextBox(){
document.getElementById("mytext").focus();
}
</script>
...