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What do the terms “CPU bound” and “I/O bound” mean?
...ile for some data might become I/O bound, since the bottleneck is then the reading of the data from disk (actually, this example is perhaps kind of old-fashioned these days with hundreds of MB/s coming in from SSDs).
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Removing leading zeroes from a field in a SQL statement
I am working on a SQL query that reads from a SQLServer database to produce an extract file. One of the requirements to remove the leading zeroes from a particular field, which is a simple VARCHAR(10) field. So, for example, if the field contains '00001A', the SELECT statement needs to return the...
Error handling in Bash
...actly gratuitous (stackoverflow.com/a/10927223/26334) and if the code is already incompatible with POSIX removing the function keyword doesn't make it any more able to run under POSIX sh, but my main point was that you've (IMO) devalued the answer by weakening the recommendation to use set -e. Stack...
How to use cURL to get jSON data and decode the data?
...is one will answer your question :P
$url="https://.../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1";
Using cURL
// Initiate curl
$ch = curl_init();
// Will return the response, if false ...
Entity Framework: There is already an open DataReader associated with this Command
...single connection (or single command with multiple selects) while next DataReader is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this always happens is when ...
Updating version numbers of modules in a multi-module Maven project
..."parent".) In these situations the given answer will not work.
After much reading and experimentation, it turns out there is a way to use the Versions Maven Plugin to update not only the aggregator POM but also all aggregated modules as well; it is the processAllModules option. The following comman...
.prop() vs .attr()
...lla's DOM documentation is valid for most modern browsers and is easier to read than the specs, so you may find their DOM reference helpful. There's a section on element properties.
As an example of how properties are simpler to deal with than attributes, consider a checkbox that is initially check...
What is AssemblyInfo.cs used for?
... description, version, etc. You can find more details about its content
reading the comments that are included in it.
If you delete it, your assembly will be compiled with no information,
i.e., in the Details tab of the file properties you will see no name,
no description, version 0.0.0....
Idiomatic way to convert an InputStream to a String in Scala
...If you can assume the stream's nonblocking, you could just use .available, read the whole thing into a byte array, and create a string from that directly.
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How do I set $PATH such that `ssh user@host command` works?
...to ~/.profile will be left unseen.
Bash in non-interactive mode sometimes reads the file ~/.bashrc (which is also often source'd from the interactive scripts.) By "sometimes" I mean that it is distribution-dependent: quite oddly, there is a compile-time option for enabling this. Debian enables the ...