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Large, persistent DataFrame in pandas
... are currently memory problems with read_csv on large files caused by some complex Python internal issues (this is vague but it's been known for a long time: http://github.com/pydata/pandas/issues/407).
At the moment there isn't a perfect solution (here's a tedious one: you could transcribe the fi...
Android 4.1: How to check notifications are disabled for the application?
...n check it, as said in this Google I/O 2016 video.
Use NotificationManagerCompat.areNotificationsEnabled(), from support library, to check if notifications are blocked on API 19+. The versions below API 19 will return true (notifications are enabled).
...
Is it possible to make a Tree View with Angular?
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I was really tired of people constantly commenting on this that the URL has my name in it ( and therefore it is plagiarism! ). That is unfortunately how jsfiddle works. If you fork something while you are logged in it retains your username. Having said that I have ...
How do you do a deep copy of an object in .NET? [duplicate]
...equire default constructor or any attributes. See my answer: stackoverflow.com/a/11308879/235715
– Alex Burtsev
Jul 12 '12 at 4:19
1
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How can I get the max (or min) value in a vector?
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Using c++11/c++0x compile flags, you can
auto it = max_element(std::begin(cloud), std::end(cloud)); // c++11
Otherwise, write your own:
template <typename T, size_t N> const T* mybegin(const T (&a)[N]) { return a; }
template ...
How does delete[] know it's an array?
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The compiler doesn't know it's an array, it's trusting the programmer. Deleting a pointer to a single int with delete [] would result in undefined behavior. Your second main() example is unsafe, even if it doesn't immediately c...
Mongod complains that there is no /data/db folder
...eed to use sudo , e.g. sudo mkdir -p /data/db
Or you need to do su - to become superuser, and then create the directory with mkdir -p /data/db
Note:
MongoDB also has an option where you can create the data directory in another location, but that's generally not a good idea, because it just sli...
How to prevent browser to invoke basic auth popup and handle 401 error using Jquery?
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WWW-Authenticate:xBasic realm=com.example can do it, together with classic 401 status code. this blog post showed me the hint ( I am not the owner of the blog )loudvchar.blogspot.ca/2010/11/…
– P.M
Dec 13 '12 at 2:...
What is the yield keyword used for in C#?
...{
using (var connection = CreateConnection())
{
using (var command = CreateCommand(CommandType.Text, sql, connection, parms))
{
command.CommandTimeout = dataBaseSettings.ReadCommandTimeout;
using (var reader = command.ExecuteReader())
{
...
How do I call some blocking method with a timeout in Java?
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