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How to tell if JRE or JDK is installed
... tried it on another, it complained that JDK was required. How can I check if JDK was somehow installed on my system? Note: the computer in question is a Mac.
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How to sort with a lambda?
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What you have written so far makes little sense. If mProperty is supposed to be an int a.mProperty>b.mProperty will definitely yield a bool.
– sellibitze
Feb 26 '11 at 0:32
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What is “callback hell” and how and why does RX solve it?
... example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
8 Answers
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How to keep environment variables when using sudo
...r setting HTTP_PROXY the command wget works fine without sudo . However if I type sudo wget it says it can't bypass the proxy setting.
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How to print a groupby object
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key_list_from_gb = [key1, key2, key3]
for key, values in gb.items():
if key in key_list_from_gb:
print(df.ix[values], "\n")
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follo...
How do you check whether a number is divisible by another number (Python)?
...e if and only if n is an exact multiple of k. In elementary maths this is known as the remainder from a division.
In your current approach you perform a division and the result will be either
always an integer if you use integer division, or
always a float if you use floating point division.
It...
Wildcards in jQuery selectors
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What if, I want to select the Even of those selected. for instance: I currently have .col-lg-4:even div:nth-child(1) if I wanted to do the same.... what would I write? "[class^=.col-lg-]:even"? (I don't seem to make it work)
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System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
I've a timer object. I want it to be run every minute. Specifically, it should run a OnCallBack method and gets inactive while a OnCallBack method is running. Once a OnCallBack method finishes, it (a OnCallBack ) restarts a timer.
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How to get JQuery.trigger('click'); to initiate a mouse click
...xpense_tickets value is changed, and also, when page is reload
});
// now we trigger the change event
$("#expense_tickets").trigger("change");
})
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Streaming Audio from A URL in Android using MediaPlayer?
...st tried commenting-out the "mediaPlayer.release()" line in onPause(), and now my app doesn't crash upon unlocking.
– CiaranC94
Jul 21 '16 at 10:17
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