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Is the != check thread safe?
...g/Object;
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
...
as we can see it loads field a to local vars twice, it's a non-atomic operation, if a was changed in between by another thread comparison may produce false.
Also, memory visibility problem is relevant here...
Why does one use dependency injection?
...ime.Now; }}
}
public class OfferWeasel
{
private readonly IGotTheTime _time;
public OfferWeasel(IGotTheTime time)
{
_time = time;
}
public Offer Create(Formdata formdata)
{
var offer = new Offer();
offer.LastUpdated = _time.Now;
return offer...
Scala list concatenation, ::: vs ++
...matic Scala 2.10 has :+ and +: object extractors.
– 0__
Jan 18 '13 at 9:25
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How can I reset a react component including all transitively reachable state?
...oth deprecated in the new ES6 class-style reactjs. Use this.setState(this._getInitialState()) instead. Also you can't name your own state initializer function getInitialState() - react throws a warning - call it anything else and explicitly do state = this._getInitialState() in the top level of th...
Send string to stdin
...in)
or you can read as
while read line
do
echo =$line=
done < some_file
or simply
echo something | read param
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...
error: Unable to find vcvarsall.bat
...ib\distutils\distutils.cfg to be:
[build]
compiler=mingw32
Now run easy_install.exe amara.
Make sure environment is set by opening a new cmd.exe.
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...
Response.Redirect with POST instead of Get?
...uld be the rationale to block it, in the future?
– so_mv
Dec 4 '13 at 9:00
2
...
Split (explode) pandas dataframe string entry to separate rows
...row['var2'], row['var1'].split(','))
for _, row in a.iterrows()]).reset_index()
Out[55]:
index 0
0 a 1
1 b 1
2 c 1
3 d 2
4 e 2
5 f 2
Then you just have to rename the columns
...
How do I force Postgres to use a particular index?
...l time.
As a very blunt hammer, useful for testing, you can use the enable_seqscan and enable_indexscan parameters. See:
Examining index usage
enable_ parameters
These are not suitable for ongoing production use. If you have issues with query plan choice, you should see the documentation for tr...
What happens if i return before the end of using statement? Will the dispose be called?
...g...
http://aspadvice.com/blogs/name/archive/2008/05/22/Return-Within-a-C_2300_-Using-Statement.aspx
http://csharpfeeds.com/post/8451/Return_Within_a_Csharp_Using_Statement.aspx
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