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Are delphi variables initialized with a value by default?
...s" (funnily enough I tried lots of searches but I didn't think to try that one).
– MB.
Sep 25 '08 at 14:06
8
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
...000
3 1.876360 -0.229738
4 0.000000 0.000000
To fill the NaNs in only one column, select just that column. in this case I'm using inplace=True to actually change the contents of df.
In [12]: df[1].fillna(0, inplace=True)
Out[12]:
0 0.000000
1 0.570994
2 0.000000
3 -0.229738
4 0...
performSelector may cause a leak because its selector is unknown
...ge pointer value being retained/released and crash.
Additional Arguments
One consideration is that this is the same warning will occur with performSelector:withObject: and you could run into similar problems with not declaring how that method consumes parameters. ARC allows for declaring consumed ...
sql server invalid object name - but tables are listed in SSMS tables list
... always be a manual process? (I've got my guess based on SSMS in 2005, but one can always hope.)
– Philip Kelley
Sep 1 '09 at 14:26
41
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Converting pixels to dp
...estion asked how to convert pixels to Dips!
– Eurig Jones
Mar 13 '12 at 16:34
12
Here's a real an...
Is there a way to navigate to real implementation of method behind an interface?
...which will then show you all the implementations of that method. Click on one to go there.
Relatively quick and easy. Annoyingly though there doesn't seem to be an equivalent for the interface itself.
update: as of Visual Studio 2015 update 1, right click on a method and select go to implement...
Is there a way to 'pretty' print MongoDB shell output to a file?
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Using this answer from Asya Kamsky, I wrote a one-line bat script for Windows. The line looks like this:
mongo --quiet %1 --eval "printjson(db.%2.find().toArray())" > output.json
Then one can run it:
exportToJson.bat DbName CollectionName
...
How to fix homebrew permissions?
...
I also had issue with my XCode version. It was older one and bre doctor showed a complaint about it. The issue resolved after upgrade of XCode.
– Anupam Jain
Jan 4 '19 at 10:22
...
Android - Camera preview is sideways
... logCat output while I rotated the device. For the HTC Desire, 0 was the phone as you would have expected (portrait), 90 degrees was turning the phone 90 degrees COUNTER-CLOCKWISE (I had assumed it would have been clockwise). In the code you'll see I didn't need to do any display rotation when the p...
Why does JavaScript only work after opening developer tools in IE once?
...alls will then work.
There are a few solutions to this:
The most obvious one is to go through your code removing references to console. You shouldn't be leaving stuff like that in production code anyway.
If you want to keep the console references, you could wrap them in an if() statement, or some...