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Parallelize Bash script with maximum number of processes
...-w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=max-procs
-P max-procs
Run up to max-procs processes at a time; the default is 1.
If max-procs is 0, xargs will run as many processes as possible at a
time. Use the -n opti...
JavaScript DOM remove element
...most browsers, there's a slightly more succinct way of removing an element from the DOM than calling .removeChild(element) on its parent, which is to just call element.remove(). In due course, this will probably become the standard and idiomatic way of removing an element from the DOM.
The .remove(...
Why do I need 'b' to encode a string with Base64?
...s change of radix on the entire number, or (if the radix you're converting from is a power of 2 less than 64) in chunks from right to left.
In base64 encoding, the translation is done from left to right; those first 64 characters are why it is called base64 encoding. The 65th '=' symbol is used for...
Converting Epoch time into the datetime
I am getting a response from the rest is an Epoch time format like
8 Answers
8
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Converting JSON data to Java object
I want to be able to access properties from a JSON string within my Java action method. The string is available by simply saying myJsonString = object.getJson() . Below is an example of what the string can look like:
...
How can a web application send push notifications to iOS devices? [closed]
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as of 02/2016,FF,Chrome and Safari can register for push from webapp.
– Yvon Huynh
Feb 10 '16 at 9:56
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Design RESTful query API with a long list of query parameters [closed]
... POST endpoint is not where the resource might normally be found.
Quoting from RFC 2616 (with irrelevant parts omitted, and relevant parts highlighted):
9.5 POST
The POST method is used to request that the origin server accept the
entity enclosed in the request as a new subordinate of th...
Assign null to a SqlParameter
The following code gives an error - "No implicit conversion from DBnull to int."
18 Answers
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Do browsers send “\r\n” or “\n” or does it depend on the browser?
...hat to do with the contents of a TEXTAREA. (See, for instance, this thread from an HTML working group about the issue.)
Here's a quote from the HTTP/1.1 spec about message headers:
The line terminator for message-header fields is the sequence CRLF. However, we recommend that applications, when ...
What is the documents directory (NSDocumentDirectory)?
...le.com/library/ios/technotes/tn2406/_index.html
The Apple sanctioned way (from the link above) is as follows:
// Returns the URL to the application's Documents directory.
- (NSURL *)applicationDocumentsDirectory
{
return [[[NSFileManager defaultManager] URLsForDirectory:NSDocumentDirectory inD...