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What is stack unwinding?
...e compiler inserting calls to destructors of automatic (stack) variables.
Now this is a very powerful concept leading to the technique called RAII, that is Resource Acquisition Is Initialization, that helps us manage resources like memory, database connections, open file descriptors, etc. in C++.
...
Python, Unicode, and the Windows console
...e and system console is not necessarily the best combination, but I don't know enough about this, so if you need a definite answer, post a question here on SO about it.
– Lasse V. Karlsen
Jul 13 '14 at 12:05
...
How to copy Java Collections list
...a deep copy, the List, via either mechanism, would have to have intricate knowledge of the underlying type. In the case of Strings, which are immutable in Java (and .NET for that matter), you don't even need a deep copy. In the case of MySpecialObject, you need to know how to make a deep copy of it ...
Azure SQL Database Bacpac Local Restore
...orrect : Installing latest version of SSDT solved the issue. All is better now.
– Antoine Meltzheim
Oct 30 '13 at 9:57
4
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What reason is there to use null instead of undefined in JavaScript?
I've been writing JavaScript for quite a long time now, and I have never had a reason to use null . It seems that undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
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Map enum in JPA with fixed values?
...
This is now possible with JPA 2.1:
@Column(name = "RIGHT")
@Enumerated(EnumType.STRING)
private Right right;
Further details:
http://java.dzone.com/articles/mapping-enums-done-right
http://www.thoughts-on-java.org/jpa-21-how-to-...
How does a PreparedStatement avoid or prevent SQL injection?
I know that PreparedStatements avoid/prevent SQL Injection. How does it do that? Will the final form query that is constructed using PreparedStatements will be a string or otherwise?
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Markdown and image alignment
...)
Note the added URL hash #center.
Now add this rule in CSS using CSS 3 attribute selectors to select images with a certain path.
img[src*='#left'] {
float: left;
}
img[src*='#right'] {
float: right;
}
img[src*='#center'] {
display: block;
ma...
Is there a command like “watch” or “inotifywait” on the Mac?
I want to watch a folder on my Mac (Snow Leopard) and then execute a script (giving it the filename of what was just moved into a folder (as a parameter... x.sh "filename")).
...
AngularJS : Where to use promises?
...kes the success callback regardless of the result of the FB.api method.
Now imagine that you're trying to code a robust sequence of three or more asynchronous operations, in a way that properly handles errors at each step and will be legible to anyone else or even to you after a few weeks. Possi...