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What does the C++ standard state the size of int, long type to be?
...luates to a number of bits high enough to contain required ranges, and
the ordering of type is still valid (e.g. sizeof(int) <= sizeof(long)).
Putting this all together, we are guaranteed that:
char, signed char, and unsigned char are at least 8 bits
signed short, unsigned short, signed int, an...
Advantages of Binary Search Trees over Hash Tables
...s that binary search tree allows you to do range searches efficiently.
In order to illustrate my idea, I want to make an extreme case. Say you want to get all the elements whose keys are between 0 to 5000. And actually there is only one such element and 10000 other elements whose keys are not in th...
How to perform OR condition in django queryset?
...t just works. As you'd expect, the | binary operator returns a QuerySet so order_by(), .distinct(), and other queryset filters can be tacked on to the end.
combined_queryset = User.objects.filter(income__gte=5000) | User.objects.filter(income__isnull=True)
ordered_queryset = combined_queryset.order...
Where can I find php.ini?
... --ini
You will get something like:
Configuration File (php.ini) Path: /etc/php5/cli
Loaded Configuration File: /etc/php5/cli/php.ini
Scan for additional .ini files in: /etc/php5/cli/conf.d
Additional .ini files parsed: /etc/php5/cli/conf.d/curl.ini,
/etc/php5/cli/conf.d/pdo.ini,
/et...
Visual Studio, debug one of multiple threads
...".
You can also choose "freeze" on the threads you don't want to debug in order to keep them from running. Don't forget to "thaw" them if you expect them to do work, however.
Further reading.
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Will the Garbage Collector call IDisposable.Dispose for me?
...managed ones) are cleaned up, then you still want finalization to occur in order to do as much cleanup as possible. Better to move the GC.SuppressFinalize call into the Dispose() method after the call to Dispose(true). See Framework Design Guidelines and this post.
– BitMask777...
Breadth First Vs Depth First
... / / \
D E F
A depth first traversal would visit the nodes in this order
A, B, D, C, E, F
Notice that you go all the way down one leg before moving on.
A breadth first traversal would visit the node in this order
A, B, C, D, E, F
Here we work all the way across each level before going...
What's the best way to unit test protected & private methods in Ruby?
...de, or the given
block, within the context of the receiver (obj). In order to set
the context, the variable self is set to obj while the code is
executing, giving the code access to obj's instance variables. In
the version of instance_eval that takes a String, the optional
...
How to set JAVA_HOME in Linux for all users
...
find /usr/lib/jvm/java-1.x.x-openjdk
vim /etc/profile
Prepend sudo if logged in as not-privileged user, ie. sudo vim
Press 'i' to get in insert mode
add:
export JAVA_HOME="path that you found"
export PATH=$JAVA_HOME/bin:$PATH
logout and login again, reboot, or us...
What is the difference between google tag manager and google analytics?
...dorequest the very definition of change requires for something to exist in order to be changed.
– vitoriodachef
Sep 10 '19 at 17:13
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