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Iterating over dictionaries using 'for' loops
...nt
iterator that iterates over the keys of the dictionary. [...] This
means that we can write
for k in dict: ...
which is equivalent to, but much faster than
for k in dict.keys(): ...
as long as the restriction on modifications to the dictionary
(either by the loop or by another...
What is the best way to tell if a character is a letter or number in Java without using regexes?
...nicode letter / digit. The OP asked for "an A-z letter" ... whatever that means.
– Stephen C
Oct 29 '10 at 0:58
4
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Best practice to run Linux service as a different user
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On Debian we use the start-stop-daemon utility, which handles pid-files, changing the user, putting the daemon into background and much more.
I'm not familiar with RedHat, but the daemon utility that you are already using (which is defined in /etc/init.d/functions, btw.) is mentioned ev...
Programmatically trigger “select file” dialog box
I have a hidden file input element. Is it possible to trigger its select file dialog box from a button's click event?
13 ...
How to get the first element of the List or Set? [duplicate]
...he "first" element of a Set. You should realize that it has absolutely no meaning for most implementations of Set. This may have meaning for LinkedHashSet and TreeSet, but not for HashSet.)
share
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Android Drawing Separator/Divider Line in Layout?
I would like to draw a line right in the middle of a layout and use it as a separator of other items like TextView. Is there a good widget for this. I don't really want to use an image as it would be hard to match the other components to it. And I want it to be relatively positioned as well. Than...
Python: What OS am I running on?
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Dang -- lbrandy beat me to the punch, but that doesn't mean I can't provide you with the system results for Vista!
>>> import os
>>> os.name
'nt'
>>> import platform
>>> platform.system()
'Windows'
>>> platform.release()
'Vista'
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How to get a DOM Element from a JQuery Selector
...le TypeErrors? A few years ago I used to be an elitist ECMAScripter and avoided frameworks but the more I learned about inconsistencies I ended up relying more. Browser engines are only getting faster and faster, unless the speed is noticeable you shouldn't really worry about this. The entire point ...
Does Internet Explorer 8 support HTML 5?
...o answer that are caniuse.com, html5test.com, and browserscope.org.
HTML5 means a lot of different things to different people. These days, it means HTML, CSS, and JavaScript functionality. The term is becoming a bit "Web 2.0"-like.
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How to get image size (height & width) using JavaScript?
...pt...
const img = new Image();
img.onload = function() {
alert(this.width + 'x' + this.height);
}
img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif';
This can be useful if the image is not a part of the markup.
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