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Learning Python from Ruby; Differences and Similarities
...you want to allocate some resource (open a file, obtain a database cursor, etc), perform some arbitrary operation on it, and then close it in a safe manner even if an exception occurs.
In Ruby, because blocks are so easy to use (see #9), you would typically code this pattern as a method that takes ...
Order of items in classes: Fields, Properties, Constructors, Methods
...r than grouping by visibility or by type of item (field, property, method, etc.), how about grouping by functionality?
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Is there a better Windows Console Window? [closed]
...and line in Windows frustrating, primarily because the console window is wretched to use compared to terminal applications on linux and OS X such as "rxvt", "xterm", or "Terminal". Major complaints:
...
Makefiles with source files in different directories
...nal way is to have a Makefile in each of the subdirectories (part1, part2, etc.) allowing you to build them independently. Further, have a Makefile in the root directory of the project which builds everything. The "root" Makefile would look something like the following:
all:
+$(MAKE) -C part1...
NoSQL (MongoDB) vs Lucene (or Solr) as your database
...tions, but not vice versa. Grant Ingersoll's post sums it up here.
MongoDB etc. seem to serve a purpose where there is no requirement of searching and/or faceting. It appears to be a simpler and arguably easier transition for programmers detoxing from the RDBMS world. Unless one's used to it Lucene ...
How to quit android application programmatically
...g message
alertDialogBuilder
.setMessage("your message")
.setCancelable(false)
.setPositiveButton("YES"),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int id) {
...
cannot download, $GOPATH not set
...ind this useful if you want to understand the GOPATH layout, customize it, etc.]
The official Go site discusses GOPATH and how to lay out a workspace directory.
export GOPATH="$HOME/your-workspace-dir/" -- run it in your shell, then add it to ~/.bashrc or equivalent so it will be set for you in th...
window.onload vs $(document).ready()
...ay, and fires as soon as the page's DOM is ready (doesn't wait for images, etc.).
$(document).ready (note that it's not document.ready, which is undefined) is a jQuery function, wrapping and providing consistency to the following events:
document.ondomcontentready / document.ondomcontentloaded - ...
What is the difference between syntax and semantics in programming languages?
...eaning rather than structure: logic is more an abstraction e.g. P => Q, etc or !!P = P, but when you add semantics things can have subtlety, if P is "happy", then !!P is "I'm not un-happy" != "I'm happy"
– doctorlove
Nov 21 '14 at 9:34
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Capture Stored Procedure print output in .NET
... be obvious but if there is no output from the proc (no print, raiseerror, etc.) then the event is not triggered. This stumped me for a while until I realized what was happening.
– IronRod
Aug 3 '16 at 17:41
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