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Using Python 3 in virtualenv
...ages flag especially during development since I have noticed that it slows down Django startup a lot. I presume Django environment initialisation is manually scanning and appending all site packages from the system path which might be the reason. Even python manage.py shell becomes very slow.
Havin...
Read String line by line
...arnation) is simpler, but the Reader implementation beats the others hands down.
import java.io.BufferedReader;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
/**
* Test class for splitting a string into lines ...
Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...echo \` echo \\\` echo \\\\\\\` whoami \\\\\\\` \\\` \` ` (editing for markdown was equally nightmarish.)
– ceyko
Feb 25 '13 at 23:18
...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
...vm settings to a plain CentOS 5.3 installation. Add a swap file. Ratchet down swappiness and see if you live any longer.
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Converting many 'if else' statements to a cleaner approach [duplicate]
... concerns about this approach? The use case provided in the question boils down to "execute one-and-only-one code path based on an input variable", which is (in my opinion) a pretty good definition of exactly what a switch is supposed to do.
– scubbo
Feb 3 '17 ...
Can we define implicit conversions of enums in c#?
... handle most fo the grunt work, which eases the above declaration of enums down to:
public sealed class AccountStatus : RichEnum<byte, AccountStatus>
{
public static readonly AccountStatus Open = new AccountStatus(1);
public static readonly AccountStatus Closed = new AccountStatus(2);...
How to list all functions in a Python module?
...ery useful in some cases where Python is installed in a constrained/locked-down/broken environment.
– Dan Lenski
Mar 18 '18 at 20:16
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When to use AtomicReference in Java?
...tween multiple threads. That is a super dense statement so I will break it down a bit.
First, an immutable object is an object that is effectively not changed after construction. Frequently an immutable object's methods return new instances of that same class. Some examples include the wrapper cl...
When to use RDLC over RDL reports?
...atically Export SSRS report from sharepoint using ReportService2010.asmx
Downsides:
SSRS is kind of wonkey compared to other things on getting it up fast. Most people get confused by the security policy and designing reports as an 'add on' to VS. SQL 2005 = VS BIDS 2005 , SQL 2008 = VS BIDS 20...
When to use Hadoop, HBase, Hive and Pig?
...ecture.
It replicates its data into multiple computers so that if one goes down, the data can still be processed from another machine that stores its replica.
Hadoop is for high throughput rather than low latency. It is a batch operation handling massive quantities of data; therefore the response t...