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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
... to find out where the reference is or isn't set, right-click its name and select "Find All References". You can then place a breakpoint at every location that requests data, and run your program with the debugger attached. Every time the debugger breaks on such a breakpoint, you need to determine w...
Failed to build gem native extension (installing Compass)
...l the Xcode Command Line Tools this is the key to install Compass.
xcode-select --install
Installing the Xcode Command Line Tools are the key to getting Compass working on OS X
3. Install Compass
sudo gem install compass
...
Apple Mach-O Linker Error when compiling for device
...
In some case error log window displaying .xctest error, to fix it
-> Select your project
-> Beside this(just before General tab) select your projectTest file from dropdown
-> There is one option (like ProjNameTests)
-> In Host Application, select your project from dropdown only if ...
How to reset Android Studio
...e list of recent projects. Now right click the item you want to remove and select Remove from list (repeat for all items to remove).
– free3dom
Nov 19 '14 at 7:24
...
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
... I'm using caches on multiple levels anyway. You can always explicitly use SELECT SQL_CACHE <rest of statement> though.
– Will Morgan
May 4 '12 at 16:37
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How can I add a PHP page to WordPress?
...reen you'll see a Template dropdown in the Attributes widget to the right. Select your new template and publish the page.
Your new page will use the PHP code defined in templatename.php
Source: Creating Custom Page Templates for Global Use
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MSTest copy file to test run folder
...ile in Visual Studio, right click on the Solution and choose New Item, and select the TestSettings template. To use the TestSettings file at the command prompt of mstest.exe add the option, /testsettings:C:\Src\mySolution\myProject\local.testsettings (or add as an extra command line option in Team...
How to remove auto focus/keyboard popup of a field when the screen shows up?
...above method inside onCreate().It prevent softKeyboard to show unless user select EditText by tapping or clicking.
or simply add android:windowSoftInputMode="stateHidden" in Activity tag in Manifest.xml
share
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...t z = add(x, y);
sum += z;
}
return sum;
}
int main(int , char* argv[]) {
int result = work(*argv[1], *argv[2]);
return result;
}
and compiled as: g++ -O2 add.cpp main.cpp.
gcc won't inline add()!
That's all, it's that easy to unintendedly create hotspots l...
Limiting the number of records from mysqldump?
... @Phob: The --where option is basically appended to a query of the form SELECT * from table WHERE , so in this case you get SELECT * from table WHERE 1 limit 1000000. Without the 1, you would have an invalid query. Specifying 1 for a where clause (since 1 is always true) simply selects all reco...