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Is there an expression for an infinite generator?
...ns on this particular theme (especially once you add lambda into the mix). One variant of particular note is iter(f, object()), as using a freshly created object as the sentinel value almost guarantees an infinite iterator regardless of the callable used as the first argument.
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What does LayoutInflater in Android do?
... was really confused by LayoutInflater and findViewById. Sometimes we used one and sometimes the other.
LayoutInflater is used to create a new View (or Layout) object from one of your xml layouts.
findViewById just gives you a reference to a view than has already been created. You might think that...
Remove trailing newline from the elements of a string list
...an contain both 8-bit and unicode strings, use lambda s: s.strip() as mentioned above, or use the strip function which you can import from the strings module.
– Cito
Nov 3 '11 at 10:18
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CFLAGS vs CPPFLAGS
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Note that you cannot run stand-alone cpp using CPPFLAGS and expect any reasonable result because -std=c99 affects which symbols are defined (especially in lieu of feature test macros). Instead, you need $(CC) $(CPPFLAGS) $(CFLAGS) -E.
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How to save the output of a console.log(object) to a file?
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I also found that pasting this into konklone.io/json you can then quickly get this into a CSV file and from there into Excel.
– PeteW
Sep 20 '17 at 16:18
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Generate random 5 characters string
...reach (array_rand($seed, 5) as $k) $rand .= $seed[$k];
Example
And, for one based on the clock (fewer collisions since it's incremental):
function incrementalHash($len = 5){
$charset = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
$base = strlen($charset);
$result = '';...
overlay two images in android to set an imageview
...lation and do this entirely with Drawables, using LayerDrawable. You have one of two choices: You can either define it in XML then simply set the image, or you can configure a LayerDrawable dynamically in code.
Solution #1 (via XML):
Create a new Drawable XML file, let's call it layer.xml:
<l...
What is the JSF resource library for and how should it be used?
...Stylesheet> , <h:outputScript> and <h:graphicImage> components have a library attribute. What is this and how should this be used? There are a lot of examples on the web which use it as follows with the common content/file type css , js and img (or image ) as library name ...
Update ViewPager dynamically?
...ject is fine where it is, don't destroy or remove it." Returning POSITION_NONE fixes the problem by instead saying, "This object is no longer an item I'm displaying, remove it." So it has the effect of removing and recreating every single item in your adapter.
This is a completely legitimate fix! ...
Why check both isset() and !empty()
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I've no idea where I got that idea from. Plus one'd.
– karim79
Dec 30 '10 at 4:27
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