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What is the usefulness of `enable_shared_from_this`?
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It enables you to get a valid shared_ptr instance to this, when all you have is this. Without it, you would have no way of getting a shared_ptr to this, unless you already had one as a member. This example from the boost documentation for e...
In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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How can I give eclipse more memory than 512M?
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I've had a lot of problems trying to get Eclipse to accept as much memory as I'd like it to be able to use (between 2 and 4 gigs for example).
Open eclipse.ini in the Eclipse installation directory.
You should be able to change the memory sizes after -vmargs...
Android emulator doesn't take keyboard input - SDK tools rev 20
I've upgraded the SDK tools to revision 20 (from 18) and since the upgrade, the emulator doesn't seem to accept input from laptop's keyboard. But only using the emulator's own 'soft' keyboard (that appears when an input field is focused).
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
I ran into ss64.com which provides good help regarding how to write batch scripts that the Windows Command Interpreter will run.
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How do I create a constant in Python?
Is there a way to declare a constant in Python? In Java we can create constant values in this manner:
41 Answers
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eclipse stuck when building workspace
I am using eclipse 3.4.1 Java EE under Vista. It seems to like getting stuck when building my workspace. Canceling the build doesn't seem to do anything as well.
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When is SQLiteOpenHelper onCreate() / onUpgrade() run?
...ks are invoked when the database is actually opened, for example by a call to getWritableDatabase(). The database is not opened when the database helper object itself is created.
SQLiteOpenHelper versions the database files. The version number is the int argument passed to the constructor. In the d...
How to read and write into file using JavaScript?
Can anybody give some sample code to read and write a file using JavaScript?
17 Answers
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I lose my data when the container exits
Despite Docker's Interactive tutorial and faq I lose my data when the container exits.
11 Answers
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