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How do I activate a virtualenv inside PyCharm's terminal?
..."export ~/.bashrc" before this script.
– Raphaël Gomès
Jul 29 '16 at 10:00
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Convert string to nullable type (int, double, etc…)
...rn null;
}
Then call it like this...
void doStuff()
{
string foo = "1.0";
double? myDouble = foo.ToNullablePrimitive<double>(double.TryParse);
foo = "1";
int? myInt = foo.ToNullablePrimitive<int>(int.TryParse);
foo = "haha";
int? myInt2 = foo.ToNullablePri...
The key must be an application-specific resource id
...d a value file called maybe ids.xml with the following:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item type="id" name="resourceDrawable" />
<item type="id" name="imageURI" />
</resources>
Then, in your class, call:
...
setTag(R.id.resourceDrawabl...
What is the behavior of integer division?
...sitive= 125/100;//= 1
double flooringResultPositive= floor(125.0/100.0);//=1.0
For negative value this is different
int integerDivisionResultNegative= -125/100;//=-1
double flooringResultNegative= floor(-125.0/100.0);//=-2.0
...
What is the purpose of the “role” attribute in HTML?
...
Most of the roles you see were defined as part of ARIA 1.0, and then later incorporated into HTML via supporting specs like HTML-AAM. Some of the new HTML5 elements (dialog, main, etc.) are even based on the original ARIA roles.
http://www.w3.org/TR/wai-aria/
There are a few prim...
Setting Windows PowerShell environment variables
...sion-based invocations as with mingw ... I.E. $env:PATH += ";c:\MinGW\msys\1.0\bin" ^ {some mingw bin ... }
– Eddie B
Feb 8 '13 at 19:10
2
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Automating the InvokeRequired code pattern
... right click and select 'Surround With...' or Ctrl-K+S:
<?xml version="1.0" encoding="utf-8" ?>
<CodeSnippet Format="1.0.0" xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
<Header>
<Title>ThreadsafeInvoke</Title>
<Shortcut></Short...
Auto reloading python Flask app upon code changes
...
A few updates for Flask 1.0 and above
the basic approach to hot re-loading is:
$ export FLASK_APP=my_application
$ export FLASK_ENV=development
$ flask run
you should use FLASK_ENV=development (not FLASK_DEBUG=1)
as a safety check, you can run ...
Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...s contentView and the
// bottom of the table view cell.
height += 1.0;
return height;
}
// NOTE: Set the table view's estimatedRowHeight property instead of
// implementing the below method, UNLESS you have extreme variability in
// your row heights and you notice the scroll indicat...
What Android tools and methods work best to find memory/resource leaks? [closed]
...id” attribute on the parent view of your XML layout:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/RootView"
>...