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How do I programmatically change file permissions?
...r file attributes is available in Java 7, as part of the "new" New IO facility (NIO.2). For example, POSIX permissions can be set on an existing file with setPosixFilePermissions(), or atomically at file creation with methods like createFile() or newByteChannel().
You can create a set of permission...
UITableView : viewForHeaderInSection: not called during reloadData:
I've set up the tableview with correct delegate and datasource linkages.. the reloadData method calls the datasource and the delegate methods except for viewForHeaderInSection: .
...
Anatomy of a “Memory Leak”
...ounters).
Understanding .NET's memory model is your best way of avoiding it. Specifically, understanding how the garbage collector works and how references work — again, I refer you to chapter 7 of the e-book. Also, be mindful of common pitfalls, probably the most common being events. If object ...
Where does gcc look for C and C++ header files?
...print-prog-name=cc1plus` -v
This command asks gcc which C++ preprocessor it is using, and then asks that preprocessor where it looks for includes.
You will get a reliable answer for your specific setup.
Likewise, for the C preprocessor:
`gcc -print-prog-name=cpp` -v
...
Bulk insert with SQLAlchemy ORM
...emy introduced that in version 1.0.0:
Bulk operations - SQLAlchemy docs
With these operations, you can now do bulk inserts or updates!
For instance, you can do:
s = Session()
objects = [
User(name="u1"),
User(name="u2"),
User(name="u3")
]
s.bulk_save_objects(objects)
s.commit()
Her...
How do popular apps authenticate user requests from their mobile app to their server?
...ave is regarding how to sign-up/login the user first time and authenticate it every time they make a request to the API.
7 ...
What is the correct way of using C++11's range-based for?
...ents are not just simple integers,
but instances of a more complex class, with custom copy constructor, etc.
// A sample test class, with custom copy semantics.
class X
{
public:
X()
: m_data(0)
{}
X(int data)
: m_data(data)
{}
~X()
{}
X(const X&...
How to build an android library with Android Studio and gradle?
...is in IntelliJ on a regular basis but I don't know how the integration is with Android Studio. I am a believer in knowing what is going on for me, so this is how I use Gradle and Android.
TL;DR Full Example - https://github.com/ethankhall/driving-time-tracker/
Disclaimer: This is a project I am/w...
How to quietly remove a directory with content in PowerShell
Using PowerShell, is it possible to remove some directory that contains files without prompting to confirm action?
13 Answe...
CSS table-cell equal width
...
Here is a working fiddle with indeterminate number of cells: http://jsfiddle.net/r9yrM/1/
You can fix a width to each parent div (the table), otherwise it'll be 100% as usual.
The trick is to use table-layout: fixed; and some width on each cell to t...