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Is it possible only to declare a variable without assigning any value in Python?
...riable. But be careful -- this doesn't mean that you won't end up with incorrectly initialized variables. If you init something to None, make sure that's what you really want, and assign something more meaningful if you can.
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sh: 0: getcwd() failed: No such file or directory on cited drive
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This error is usually caused by running a command from a directory that no longer exist.
Try changing your directory and re-run the command.
share
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Can someone explain the right way to use SBT?
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Most importantly is probably, how do you find the right repositories and versions to include in your project? Do I just pull out a machette and start hacking my way forward? I quite often find projects that include everything and the...
What is an NP-complete in computer science?
What is an NP-complete problem? Why is it such an important topic in computer science?
15 Answers
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NSNotificationCenter addObserver in Swift
...d an observer in Swift to the default notification center? I'm trying to port this line of code that sends a notification when the battery level changes.
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How to go to each directory and execute a command?
How do I write a bash script that goes through each directory inside a parent_directory and executes a command in each directory .
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Should I make HTML Anchors with 'name' or 'id'?
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According to the HTML 5 specification, 5.9.8 Navigating to a fragment identifier:
For HTML documents (and the text/html MIME type), the following processing model must be followed to determine what the indicated part of the ...
config.assets.compile=true in Rails production, why not?
...oduction.
When you have compile on, this is what happens:
Every request for a file in /assets is passed to Sprockets. On the first request for each and every asset it is compiled and cached in whatever Rails is using for cache (usually the filesystem).
On subsequent requests Sprockets receives th...
“No such file or directory” error when executing a binary
...4. The app shipped with an old version of gzip (1.2.4), that was compiled for a much older kernel:
8 Answers
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How to detect internet speed in JavaScript?
..."string") {
console.log(msg);
} else {
for (var i = 0; i < msg.length; i++) {
console.log(msg[i]);
}
}
}
var oProgress = document.getElementById("progress");
if (oProgress) {
var actualHTML = (...