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Effect of NOLOCK hint in SELECT statem>me m>nts
...lect.
Why would this be?
NOLOCK typically (depending on your DB engine) m>me m>ans give m>me m> your data, and I don't care what state it is in, and don't bother holding it still while you read from it. It is all at once faster, less resource-intensive, and very very dangerous.
You should be warned to ne...
.NET JIT potential error?
... edi,2 ; oVec.y = 2, WRONG!
oDoesSom>me m>thing.Do(oVec);
00000011 push edi
00000012 push esi
00000013 mov ecx,ebx
00000015 call dword ptr ds:[00170210h] ; first unrolled call
0000001b push edi ...
How do I import .sql files into SQLite 3?
...tabase.db
Also, your SQL is invalid - you need ; on the end of your statem>me m>nts:
create table server(nam>me m> varchar(50),ipaddress varchar(15),id init);
create table client(nam>me m> varchar(50),ipaddress varchar(15),id init);
sh...
ZSH iterm2 increase number of lines history
...
It's not imm>me m>diately obvious in the iTerm2 docum>me m>ntation on how to change it.
open the iTerm2 preferences ⌘ + ,
select the Profiles tab
then select the Terminal subtab
Beware, changes to the Scrollback lines value take effect imm>me m>di...
I want to execute shell commands from Maven's pom.xml
...
Here's what's been working for m>me m>:
<plugin>
<artifactId>exec-maven-plugin</artifactId>
<groupId>org.codehaus.mojo</groupId>
<executions>
<execution><!-- Run our version calculation script -->
...
Convert number strings with commas in pandas DataFram>me m> to float
I have a DataFram>me m> that contains numbers as strings with commas for the thousands marker. I need to convert them to floats.
...
Python Write bytes to file
...this is a bug in python itself, given python can detect data types at runtim>me m>, and can detect between binary and text input, I think it should be fixed in python itself, why are hundreds of people ending up in this page, if it could have been avoided by an if statem>me m>nt in the python stdlib, upvote i...
Make function wait until elem>me m>nt exists
...terval(checkExist);
}
}, 100); // check every 100ms
But note - many tim>me m>s 3rd party code has an option to activate your code (by callback or event triggering) when it finishes to load. That may be where you can put your function. The interval solution is really a bad solution and should be use...
How to create a custom string representation for a class object?
...
Implem>me m>nt __str__() or __repr__() in the class's m>me m>taclass.
class MC(type):
def __repr__(self):
return 'Wahaha!'
class C(object):
__m>me m>taclass__ = MC
print C
Use __str__ if you m>me m>an a readable stringification, use __repr...
connecting to MySQL from the command line
How can you connect to MySQL from the command line in a Mac? (i.e. show m>me m> the code)
6 Answers
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