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Replacing spaces with underscores in JavaScript?
...on. The expression for whitespace is \s and the expression for "1 or more times" is + the plus sign, so you'd just replace Adam's answer with the following:
key=key.replace(/\s+/g,"_");
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i...
Typescript: difference between String and string
...y String" is identical to var s = "My String" ... also, no matter how many times I read this respond, I'm still not grasping the purpose of the string type in TypeScript, since, at the end of the day, ('My String')['constructor'] === String...
– mindplay.dk
Nov...
How can I mark “To Do” comments in Xcode?
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You can also use // FIX: Everything crashes all the time to make it easier get back to parts of your code that generate issues using the Jump Bar.
– Maarten
Jun 4 '13 at 8:50
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What is the difference between user and kernel modes in operating systems?
...l mode is not done automatically by CPU. CPU is interrupted by interrupts (timers, keyboard, I/O). When interrupt occurs, CPU stops executing the current running program, switch to kernel mode, executes interrupt handler. This handler saves the state of CPU, performs its operations, restore the stat...
Running SSH Agent when starting Git Bash on Windows
...ve ssh-add from this section then if you don't enter your passphrase first time around you won't be asked again until you manually run ssh-add.
– Andy2K11
Apr 16 '18 at 11:15
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Is there a way to detect if an image is blurry?
...rue since the frequency spectrum is going to be that of the original image times that of the blurring filter. Thus, if the original image already had predominately low frequencies, how can you tell whether it was blurred?
– Chris A.
Oct 14 '11 at 14:16
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Group by multiple columns in dplyr, using string vector input
...ote that since dplyr::summarize only strips off one layer of grouping at a time, you've still got some grouping going on in the resultant tibble (which can sometime catch people by suprise later down the line). If you want to be absolutely safe from unexpected grouping behavior, you can always add %...
What is the in a .vimrc file?
.... :h , gives you "Repeat latest f, t, F or T in opposite direction [count] times." It is quite convenient.
– Maxim Kim
Nov 20 '09 at 12:34
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How many threads can a Java VM support?
... are several parameters here. The specific VM, plus there are usually run-time parameters on the VM as well. That's somewhat driven by the operating system: what support does the underlying OS have for threads and what limitations does it put on them? If the VM actually uses OS-level threads at a...
Multi-line string with extra space (preserved indentation)
...tter, you can use indentation to make it stand out more in your code. This time just add a - after << to stop the tabs from appearing.
read -r -d '' VAR <<- EOM
This is line 1.
This is line 2.
Line 3.
EOM
But then you must use tabs, not spaces, for indentation in your code...