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How do I analyze a .hprof file?
... Memory Analyzer. I'm currently attempting to sift thru a 400mb+ heap dump file, and it took jhat more than 70 minutes to read the file, before it caused a complete JVM crash. EMA is able to open it up in < 5 minutes.
– matt b
Jun 18 '09 at 18:37
...
What does the tilde before a function name mean in C#?
... garbage collector. If you do handle precious unmanaged resources (such as file handles) that you want to close and dispose of as quickly as possible, you ought to implement the IDisposable interface.
share
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Copying PostgreSQL database to another server
...
You don't need to create an intermediate file. You can do
pg_dump -C -h localhost -U localuser dbname | psql -h remotehost -U remoteuser dbname
or
pg_dump -C -h remotehost -U remoteuser dbname | psql -h localhost -U localuser dbname
using psql or pg_dump to c...
Select top 10 records for each category
...dited to reflect your clarification):
select *
from Things t
where t.ThingID in (
select top 10 ThingID
from Things tt
where tt.Section = t.Section and tt.ThingDate = @Date
order by tt.DateEntered desc
)
and t.ThingDate = @Date
order by Section, DateEntered desc
...
How to deploy an ASP.NET Application with zero downtime
...yment Tool supports this to some degree:
Enables Windows Transactional File
System (TxF) support. When TxF support
is enabled, file operations are
atomic; that is, they either succeed
or fail completely. This ensures data
integrity and prevents data or files
from existing in a "half-...
What does -fPIC mean when building a shared library?
... where available. Thus compiling with fpic can potentially produce smaller files. Unfortunately it does not always work as expected so use fPIC. Also Note not all processors support the shorter offsets so it may not make a difference.
– Martin York
Jun 8 '09 at...
How do I create a simple 'Hello World' module in Magento?
...o, the first thing you'll need to do is create a new module. Create an XML file in app/modules named as follows
cd /path/to/store/app
touch etc/modules/MyCompanyName_HelloWorld.xml
<?xml version="1.0"?>
<config>
<modules>
<MyCompanyName_HelloWorld>
...
Using Git with Visual Studio [closed]
...or the most part it's fine - the only problem is when you want to rename a file. Both Git and Visual Studio would rather that they were the one to rename it. I think that renaming it in Visual Studio is the way to go though - just be careful what you do at the Git side afterwards. Although this has ...
SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
...affected and not on the Courses
follow-up question: why do you have CourseID on table Category?
Maybe you should restructure your schema into this,
CREATE TABLE Categories
(
Code CHAR(4) NOT NULL PRIMARY KEY,
CategoryName VARCHAR(63) NOT NULL UNIQUE
);
CREATE TABLE Courses
(
CourseID INT...
Delete empty lines using sed
...
OS X needed sed -i "" '/^[[:space:]]*$/d' <filename>,
– jww
Oct 4 '16 at 19:04
@Ber...