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What is an optional value in Swift?
... that hates ambiguity. Most variables are define as non-optionals, but sometimes this isn't possible. For example, imagine a view controller which loads an image either from a cache or from the network. It may or may not have that image at the time the view controller is created. There's no way to g...
Check whether user has a Chrome extension installed
I am in the process of building a Chrome extension, and for the whole thing to work the way I would like it to, I need an external JavaScript script to be able to detect if a user has my extension installed.
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git difftool, open all diff files immediately, not in serial
...d solution and may cause problems if there is more than one diff open at a time. They plan to add support for folder diffs to bcomp.exe in a future version (in the meantime, I'll continue using bcompare.exe as an unsupported workaround).
– Peter Rust
Jul 27 '12...
How do I print the full value of a long string in gdb?
I want to print the full length of a C-string in GDB. By default it's being abbreviated, how do I force GDB to print the whole string?
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How to prevent SIGPIPEs (or handle them properly)
...ply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and make my server crash. What's the best practice to prevent the crash here? Is there a way to check if the other side of the line is still reading? (sele...
Upgrade python packages from requirements.txt using pip command
How do I upgrade all my python packages from requirements.txt file using pip command?
13 Answers
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Why does Python code use len() function instead of a length method?
I know that python has a len() function that is used to determine the size of a string, but I was wondering why it's not a method of the string object.
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Fastest method to replace all instances of a character in a string [duplicate]
What is the fastest way to replace all instances of a string/character in a string in JavaScript? A while , a for -loop, a regular expression?
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How do you determine the size of a file in C?
How can I figure out the size of a file, in bytes?
14 Answers
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Why can I access TypeScript private members when I shouldn't be able to?
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Doesn't typescript do this ALL the time by setting var _this for use in scoped functions? Why would you have qualms doing it at the class scope?
– DrSammyD
Mar 24 '16 at 17:22
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