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Mercurial — revert back to old version and continue from there
...l be marked as belonging on the "red" branch. This can be a nice way to organize changesets, especially when different people work on different branches and you later want to see where a changeset originated from. But you don't want to use it in your situation.
If you use hg update --rev 38, then ...
psql: FATAL: Ident authentication failed for user “postgres”
...hba.conf file was set to peer, I changed it to password. Note that from a vanilla install I also had to set a password for the postgres user, sudo su - postgres psql, \password set a password. Then launch a default connection from pdgadmin3 with username postgres and your password you set.
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What does rake db:test:prepare actually do?
I am following the rails tutorial videos and I can't figure out what the db:test:prepare command actually does. Can someone provide an explanation?
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Total memory used by Python process?
Is there a way for a Python program to determine how much memory it's currently using? I've seen discussions about memory usage for a single object, but what I need is total memory usage for the process, so that I can determine when it's necessary to start discarding cached data.
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Is it safe to delete an object property while iterating over them?
When iterating over an object's properties, is it safe to delete them while in a for-in loop?
2 Answers
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Why does the Scala compiler disallow overloaded methods with default arguments?
While there might be valid cases where such method overloadings could become ambiguous, why does the compiler disallow code which is neither ambiguous at compile time nor at run time?
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Connecting to TCP Socket from browser using javascript
... API, you’ll need to enable the experimental flag in your extension’s manifest. Using sockets is pretty straightforward, for example:
chrome.experimental.socket.create('tcp', '127.0.0.1', 8080, function(socketInfo) {
chrome.experimental.socket.connect(socketInfo.socketId, function (result) {
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What happens to git commits created in a detached HEAD state?
... answered Apr 2 '13 at 21:13
taniustanius
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Complex CSS selector for parent of active child [duplicate]
...le, the anchor must be a descendant of an li that MUST be a child of ul, meaning it must be within the tree following the ul declaration. This is going to be a bit more specific and will only grab a list item that contains an anchor AND is a child of ul.
SO, to answer your question by code.
ul.men...
Breaking out of a nested loop
If I have a for loop which is nested within another, how can I efficiently come out of both loops (inner and outer) in the quickest possible way?
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