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Why does pthread_cond_wait have spurious wakeups?
... operations.
In the following comp.programming.threads discussion, he expands on the thinking behind the design:
Patrick Doyle wrote:
> In article , Tom Payne wrote:
> >Kaz Kylheku wrote:
> >: It is so because implementations can sometimes not avoid inserting
> >: the...
How to read keyboard-input?
...f you use Python 2
input('Enter your input:') # If you use Python 3
and if you want to have a numeric value
just convert it:
try:
mode=int(raw_input('Input:'))
except ValueError:
print "Not a number"
share...
Why in Java 8 split sometimes removes empty strings at start of result array?
...ehavior of String.split (which calls Pattern.split) changes between Java 7 and Java 8.
Documentation
Comparing between the documentation of Pattern.split in Java 7 and Java 8, we observe the following clause being added:
When there is a positive-width match at the beginning of the input sequen...
In jQuery, how do I get the value of a radio button when they all have the same name?
... .is(":checked"). jQuery's is() function returns a boolean (true or false) and not (an) element(s).
Because this answer keeps getting a lot of attention, I'll also include a vanilla JavaScript snippet.
document.querySelector("#submit").addEventListener("click", () => {
const val = docu...
HTML 5 Favicon - Support?
... link only answers so I thought I would summarize the links into an answer and what I will be using.
When working to create Cross Browser Favicons (including touch icons) there are several things to consider.
The first (of course) is Internet Explorer. IE does not support PNG favicons until versi...
prototype based vs. class based inheritance
In JavaScript, every object is at the same time an instance and a class. To do inheritance, you can use any object instance as a prototype.
...
CSS I want a div to be on top of everything
...ered Sep 14 '11 at 19:22
Skylar AndersonSkylar Anderson
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What does “abstract over” mean?
...ala literature, I encounter the phrase "abstract over", but I don't understand the intent. For example , Martin Odersky writes
...
How do I expand the output display to see more columns of a pandas DataFrame?
...
Update: Pandas 0.23.4 onwards
This is not necessary, pandas autodetects the size of your terminal window if you set pd.options.display.width = 0. (For older versions see at bottom.)
pandas.set_printoptions(...) is deprecated. Instea...
Lock Escalation - What's happening here?
... a column) in SQL Server 2008, I clicked the Generate Change Script button and I noticed that the change script it generated drops the column, says "go" and then runs an additional ALTER TABLE statement that appears to set the lock escalation for the table to "TABLE". Example:
...