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How to create a memory leak in Java?
...eClass {
static final ArrayList list = new ArrayList(100);
}
Calling String.intern() on lengthy String
String str=readString(); // read lengthy string any source db,textbox/jsp etc..
// This will place the string in memory pool from which you can't remove
str.intern();
(Unclosed) open strea...
SQL Server - stop or break execution of a SQL script
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perfect. does not require sysadmin ultra extra user rights
– Pac0
Nov 5 '18 at 10:40
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Should each and every table have a primary key?
... creates a primary key if you didn't specify it explicitly, thus making an extra column you don't have access to.
Note that a primary key can be composite.
If you have a many-to-many link table, you create the primary key on all fields involved in the link. Thus you ensure that you don't have two ...
html5 - canvas element - Multiple layers
...element.
https://github.com/federicojacobi/layeredCanvas
I intend to add extra capabilities, but for now it will do.
You can do multiple functions and call them in order to "fake" layers.
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Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
...p #2: Pick one of those two versions of the JAR, or pick the one from the "extras" area of your SDK installation.
Step #3: Put the right JAR in App Library.
Step #4: Delete the one from App Free, since it will pick up that JAR from App Library.
You are welcome to instead have the same actual JAR ...
Is there an ignore command for git like there is for svn?
...
A very useful git ignore command comes with the awesome tj/git-extras.
Here are a few usage examples:
List all currently ignored patterns
git ignore
Add a pattern
git ignore "*.log"
Add one of the templates from gitignore.io
git ignore-io -a rails
git-extras provides many more...
How do I make a dotted/dashed line in Android?
...copied and pasted this code directly, but nothing happened. Should I write extra code to make it work?
– jason
Dec 24 '15 at 10:24
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Add table row in jQuery
.... I just encountered this with markup generated by an MVC view that had an extra line at the beginning.
– Mik
Nov 25 '16 at 9:52
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What does MissingManifestResourceException mean and how to fix it?
...rceMan = temp;
}
return resourceMan;
}
}
The literal string "Servers.Resources" had to be changed to "RT.Servers.Resources". I did this manually, but running the custom tool would have equally well done it.
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how can you easily check if access is denied for a file in .NET?
...ened after the required attempts</returns>
public FileStream TryOpen(string filePath, FileMode fileMode, FileAccess fileAccess,FileShare fileShare,int maximumAttempts,int attemptWaitMS)
{
FileStream fs = null;
int attempts = 0;
// Loop allow multiple attempts
while (true)
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