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Inspect element that only appear when other element is mouse overed/entered
...g over the button
Press F8 to freeze the page
Switch to the Elements panel and use the magnifying glass icon in the top left to select the tooltip
If the tooltip shows up because of CSS, here's what you can do in that case:
Step-by-step:
Open the DevTools
Select the triggering element in the d...
.bashrc/.profile is not loaded on new tmux session (or window) — why?
...he profile.
The rules as to when bash runs certain files are complicated, and depend on the type of shell being started (login/non-login, interactive or not, and so forth), along with command line arguments and environment variables.
You can see them in the man bash output, just look for INVOCATIO...
printf() formatting for hex
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The # part gives you a 0x in the output string. The 0 and the x count against your "8" characters listed in the 08 part. You need to ask for 10 characters if you want it to be the same.
int i = 7;
printf("%#010x\n", i); // gives 0x00000007
printf("0x%08x\n", i); // gives 0x0...
Is there Unicode glyph Symbol to represent “Search” [closed]
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There is U+1F50D LEFT-POINTING MAGNIFYING GLASS (????) and U+1F50E RIGHT-POINTING MAGNIFYING GLASS (????).
You should use (in HTML) 🔍 or 🔎
They are, however not supported by many fonts (fileformat.info only lists a few fonts as supporting the Codepoint w...
Python: Making a beep noise
...this is to print('\a'). This will send the ASCII Bell character to stdout, and will hopefully generate a beep (a for 'alert'). Note that many modern terminal emulators provide the option to ignore bell characters.
Since you're on Windows, you'll be happy to hear that Windows has its own (brace yours...
Find unused npm packages in package.json
...the module:
npm install depcheck -g
or
yarn global add depcheck
Run it and find the unused dependencies:
depcheck
The good thing about this approach is that you don't have to remember the find or grep command.
To run without installing use npx:
npx depcheck
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Can I set a breakpoint on 'memory access' in GDB?
I am running an application through gdb and I want to set a breakpoint for any time a specific variable is accessed / changed. Is there a good method for doing this? I would also be interested in other ways to monitor a variable in C/C++ to see if/when it changes.
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Automatically add all files in a folder to a target using CMake?
...atform project from separate build management systems in Visual C++, XCode and makefiles to CMake.
4 Answers
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Why can't I call read() twice on an open file?
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Calling read() reads through the entire file and leaves the read cursor at the end of the file (with nothing more to read). If you are looking to read a certain number of lines at a time you could use readline(), readlines() or iterate through lines with for line in ha...
Display numbers with ordinal suffix in PHP
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Although a bit difficult to understand at first, I do now think it best represents how the ordinal suffix system works for English.
– erisco
Jun 24 '10 at 14:44
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