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How to use php serialize() and unserialize()
...ows you to store one of these structs as a string. It can be de-serialised from its string representation with unserialize().
If you are familiar with json_encode() and json_decode() (and JSON in general), the concept is similar.
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What is difference between cacerts and keystore?
... I don't understand the part about 'different aliases'. Different from what? Your final question is answerable by experiment.
– Marquis of Lorne
Feb 6 '14 at 2:19
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Test if a class has an attribute?
...re I found the GetCustomAttribute<SomeAttribute> method is avaliable from .NET 4.5 and my IDE was set to 3.5 so everything is clear now
– user2733082
Apr 19 '17 at 16:35
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How to wait for a keypress in R?
...run until you've pressed the button in the app (button that stops the apps from inside using stopApp).
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Installing Latest version of git in ubuntu
...
or super manual method
download git source from git hub and then
make prefix=/usr/local all
sudo make prefix=/usr/local install
https://www.digitalocean.com/community/tutorials/how-to-install-git-on-ubuntu-14-04
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What is the difference between sites-enabled and sites-available directory?
...file inside the sites-enabled directory. That will prevent Apache or NGINX from starting. If your site was working, it will not be anymore. You will have a hard time until you find out, in the logs, something related to the default.save file and, then, remove it.
In the example above, if you were e...
What is compiler, linker, loader?
...s a basic concept for all other computing systems.
*
Linkers and Loaders from LinuxJournal explains this concept with clarity. It also explains how the classic name a.out came. (assembler output)
A quick summary,
c program --> [compiler] --> objectFile --> [linker] --> executable f...
Programmatically set height on LayoutParams as density-independent pixels
...not change, it saves a bit of processing time.
/**
* Get conversion rate from dp into px.<br>
* E.g. to convert 100dp: px = (int) (100 * convRate);
* @param context e.g. activity
* @return conversion rate
*/
public static float convRateDpToPx(Context context) {
return context.getReso...
How to use ng-repeat without an html element
...e else, etc.. just like in the good old days when we would concat our html from strings.. right? no.
as for flattening the structure into a list, here's another solution:
// assume the following structure
var structure = [
{
name: 'item1', subitems: [
{
name...
Fetch first element which matches criteria
... empty. In this case the call to get() will throw the NPE. To prevent that from happening, use orElse() instead of get() and provide a fallback object (like orElse(new Station("dummy", -1)), or store the result of findFirst() in a variable and check it with isEmpty() before calling get()
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