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How to get file_get_contents() to work with HTTPS?
I'm working on setting up credit card processing and needed to use a workaround for CURL. The following code worked fine when I was using the test server (which wasn't calling an SSL URL), but now when I am testing it on the working server with HTTPS, it's failing with the error message "failed to o...
How to recursively find the latest modified file in a directory?
...-n | tail -1 | cut -f2- -d" "
For a huge tree, it might be hard for sort to keep everything in memory.
%T@ gives you the modification time like a unix timestamp, sort -n sorts numerically, tail -1 takes the last line (highest timestamp), cut -f2 -d" " cuts away the first field (the timestamp) fro...
“Cannot connect to iTunes Store” in-app purchases
...oduct identifiers, but upon purchase I receive the dreaded "Cannot connect to iTunes Store". Interesting thing is that restore purchases seems to work - iTunes login pops up.
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How can I suppress all output from a command using Bash?
...tatus (doing this, doing that...). There isn't any option for this program to be quiet. How can I prevent the script from displaying anything?
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Listening for variable changes in JavaScript
Is it possible to have an event in JS that fires when the value of a certain variable changes? JQuery is accepted.
21 Answe...
How can I make the Android emulator show the soft keyboard?
...r, I don't have a device handy for testing. The problem is that the emulator never shows the soft keyboard .
8 Answers
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How to Disable landscape mode in Android?
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Add android:screenOrientation="portrait" to the activity in the AndroidManifest.xml. For example:
<activity android:name=".SomeActivity"
android:label="@string/app_name"
android:screenOrientation="portrait" />
EDIT: Since this has become a super-pop...
How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
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change your return type to ResponseEntity<>, then you can use below for 400
return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
and for correct request
return new ResponseEntity<>(json,HttpStatus.OK);
UPDATE 1
after spring ...
What is the advantage of GCC's __builtin_expect in if else statements?
...anged in such an order that the bar case precedes the foo case (as opposed to the C code). This can utilise the CPU pipeline better, since a jump thrashes the already fetched instructions.
Before the jump is executed, the instructions below it (the bar case) are pushed to the pipeline. Since the fo...
Why do we need fibers
...pplication-level code. They are a flow-control primitive which you can use to build other abstractions, which you then use in higher-level code.
Probably the #1 use of fibers in Ruby is to implement Enumerators, which are a core Ruby class in Ruby 1.9. These are incredibly useful.
In Ruby 1.9, if ...