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Can Flask have optional URL parameters?
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You should add here the info from the external link because if that link will no longer be valid, your answer will be damaged.
– tomab
Oct 21 '15 at 9:29
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TypeScript static classes
I wanted to move to TypeScript from traditional JS because I like the C#-like syntax.
My problem is that I can't find out how to declare static classes in TypeScript.
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Do fragments really need an empty constructor?
...RA_MESSAGE);
//...
//etc
//...
}
Then you would instantiate from your fragment manager like so:
@Override
public void onCreate(Bundle savedInstanceState) {
if (savedInstanceState == null){
getSupportFragmentManager()
.beginTransaction()
.replace(R....
String literals: Where do they go?
...oo[] = "...";
The compiler will arrange for the array to get initialized from the literal and you can modify the array.
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How can I get the current PowerShell executing file?
...SCommandPath:
* Direct:
* Function: C:\Test\test.ps1
Notes:
Executed from C:\, but actual script is C:\Test\test.ps1.
No method tells you the passed invocation path (.\Test\test.ps1)
$PSCommandPath is the only reliable way, but was introduced in PowerShell 3
For versions prior to 3, no single ...
Add file extension to files with bash
...pulation. ` ${string%substring}` Deletes shortest match of $substring from back of $string.
– Jichao
Aug 28 '15 at 19:36
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What does @hide mean in the Android source code?
...s and methods that are marked with the @hide Javadoc attribute.
Starting from Android 9 (API level 28), Google introduces new restrictions on the use of non-SDK interfaces, whether directly, via reflection, or via JNI. These restrictions are applied whenever an app references a non-SDK interface o...
EC2 instance types's exact network performance?
...(!!!)
t2.large = ~500 MBit/s
c3.large = ~500-570 Mbit/s (different results from different sources)
c4.large = ~520 MBit/s (I've confirmed this independently, by the way)
m3.large is better at ~700 MBit/s
m4.large is ~445 Mbit/s
r3.large is ~390 Mbit/s
Burstable (T2) instances appear to exhibit bur...
Can you attach Amazon EBS to multiple instances?
... only "go down" in the sense that to access it, you will need to detach it from the down instance and reattach it to a new instance.
– Dave Dopson
Feb 28 '11 at 4:32
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How can I add the new “Floating Action Button” between two widgets/layouts
...gative margin, half the size of the FAB including shadow
Example adapted from shamanland implementation, use whatever FAB you wish. Assume FAB is 64dp high including shadow:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/andr...