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What does the @ symbol represent in objective-c?
...jects more efficient. (They become part of the method signature available from the runtime, which DO can look at to determine how to best serialize a transaction.) There are also the attributes within @property declarations, copy, retain, assign, readonly, readwrite, nonatomic, getter, and setter;...
Best practices/guidance for maintaining assembly version numbers
...spent a long time trying to come up with an easy to use versioning system. From what you have already said in your question it is clear that you have understood one important point, the assembly version numbers are not synonymous with the product version. One is technically driven, and the other is ...
How can I run a program from a batch file without leaving the console open after the program starts?
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You can use the exit keyword. Here is an example from one of my batch files:
start myProgram.exe param1
exit
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Keep ignored files out of git status
I would like to stop Git from showing ignored files in git status , because having tons of documentation and config files in the list of Changed but not updated files, renders the list half-useless.
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Limit labels number on Chart.js line chart
I want to display all of the points on my chart from the data I get, but I don't want to display all the labels for them, because then the chart is not very readable. I was looking for it in the docs, but couldn't find any parameter that would limit this.
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Wrap long lines in Python [duplicate]
...t's true of all platforms or Python distributions. I received some output from a user where everything after the first line was not printed. My code was like the above, sans backslash.
– BHSPitMonkey
Jul 1 '13 at 18:49
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Difference between exit(0) and exit(1) in Python
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Because of exit codes from Unix/Linux, I was thinking 0 is True and 1 is False value in the Python conditions.
– vlyalcin
Apr 8 at 15:36
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How to convert a Base64 string into a Bitmap image to show it in a ImageView?
...xception
Here is the solution:
-You should consider the value sent to you from API is Base64 Encoded and should be decoded first in order to cast it to a Bitmap object!
-Take a look at your Base64 encoded String, If it starts with
data:image/jpg;base64
The Base64.decode won't be able to deco...
Java: int array initializes with nonzero elements
...ker (bug id 7196857). Unfortunately, I did not wait for any clarifications from Oracle about the following points. As I see, this bug is OS-specific: it absolutely reproducible on 64-bit Linux and Mac, but, as I see from comments, it reproduces not regularly on Windows (for similar versions of JDK)....
How to drop rows of Pandas DataFrame whose value in a certain column is NaN
...e missing data, including dropna(), is built into pandas explicitly. Aside from potentially improved performance over doing it manually, these functions also come with a variety of options which may be useful.
In [24]: df = pd.DataFrame(np.random.randn(10,3))
In [25]: df.iloc[::2,0] = np.nan; df....