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Change the mouse cursor on mouse over to anchor-like style
If I hover the mouse over a div the mouse cursor will be changed to the cursor like that in HTML anchor.
5 Answers
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std::unique_lock or std::lock_guard?
...ue_lock for the condition variable. In case A it depends whether you need to relock the guard.
std::unique_lock has other features that allow it to e.g.: be constructed without locking the mutex immediately but to build the RAII wrapper (see here).
std::lock_guard also provides a convenient RAII...
error: passing xxx as 'this' argument of xxx discards qualifiers
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The objects in the std::set are stored as const StudentT. So when you try to call getId() with the const object the compiler detects a problem, mainly you're calling a non-const member function on const object which is not allowed because non-const member f...
Detect URLs in text with JavaScript
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First you need a good regex that matches urls. This is hard to do. See here, here and here:
...almost anything is a valid URL. There
are some punctuation rules for
splitting it up. Absent any
punctuation, you still have a valid
URL.
Check the RFC carefully and see i...
Java Synchronized Block for .class
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The snippet synchronized(X.class) uses the class instance as a monitor. As there is only one class instance (the object representing the class metadata at runtime) one thread can be in this block.
With synchronized(this) the block is guarded by the instance. For every instance only one thr...
Reading from text file until EOF repeats last line [duplicate]
The following C++ code uses a ifstream object to read integers from a text file (which has one number per line) until it hits EOF . Why does it read the integer on the last line twice? How to fix this?
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What do 'lazy' and 'greedy' mean in the context of regular expressions?
...tp://www.regular-expressions.info/repeat.html we see the example of trying to match HTML tags with <.+>. Suppose you have the following:
<em>Hello World</em>
You may think that <.+> (. means any non newline character and + means one or more) would only match the <em>...
How to cherry pick from 1 branch to another
...n at least you'll get the commit message from the original commit appended to your new commit, along with the original SHA, which is very useful for tracking cherry-picks.
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configure: error: C compiler cannot create executables
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You have an old set of developer tools. gcc is reporting its version as 4.0.1. This may be left over from migrating from an older version of the OS. If you've installed Xcode 4.3.x, you need to launch it, go into its preferences, select the Downloads tab, an...
What are the differences between LDAP and Active Directory?
What are the differences between LDAP and Active Directory?
11 Answers
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