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Does this app use the Advertising Identifier (IDFA)? - AdMob 6.8.0
...using GA to collect IDFA, but does not display ads within my app, I should select - Attribute this app installation to a previously served advertisement. - Attribute this app installation to a previously served advertisement. - Limit Ad Tracking setting in iOS. In this case, will my app get approve...
What's the Hi/Lo algorithm?
...keys (which are then held as a range in the server & used as needed):
select NEXT from KEY_ALLOC where SEQ=?;
update KEY_ALLOC set NEXT=(old value+200) where SEQ=? and NEXT=(old value);
Providing you can commit this transaction (use retries to handle contention), you have allocated 200 keys &...
Why is Swift compile time so slow?
...ule optimization' in the 'Swift Compiler - Code Generation' build setting. Select 'Fast, Whole Module Optimization'
In 'Swift Compiler - Custom Flags', for your development builds, add '-Onone'
When these flags are set, the compiler will compile all Swift files in one step. We found with o...
Retrieve the commit log for a specific line in a file?
...y easy way to do this is by using vim-fugitive. Just open the file in vim, select the line(s) you're interested in using V, then enter
:Glog
Now you can use :cnext and :cprev to see all the revisions of the file where that line is modified. At any point, enter :Gblame to see the sha, author, and ...
Should each and every table have a primary key?
...
Just add it, you will be sorry later when you didn't (selecting, deleting. linking, etc)
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Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?
... external tool to Visual Studio:
open Tools/External Tools
add: Sublime, select the exe and use these arguments: $(ItemPath):$(CurLine):$(CurCol)
(also move it to the top as this makes the next step easier, otherwise remember its position)
then go to customize/Keyboard, search for Tools.ExternalCo...
Git diff between current branch and master but not including unmerged master commits
...t diff origin/master...
This shows only the changes between my currently selected local branch and the remote master branch, and ignores all changes in my local branch that came from merge commits.
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What uses are there for “placement new”?
..._b, ...);
Now you can cluster objects together in a single memory arena, select an allocator which is very fast but does no deallocation, use memory mapping, and any other semantic you wish to impose by choosing the pool and passing it as an argument to an object's placement new operator.
...
Does “display:none” prevent an image from loading?
...ning when the element is nested within a picture element, and the resource selection algorithm is different. As well, the picture element itself does not display anything; it merely provides a context for its contained img element that enables it to choose from multiple URLs.
So what it says is th...
Replace None with NaN in pandas dataframe
... dtype fields in your df and then replace the None:
obj_columns = list(df.select_dtypes(include=['object']).columns.values)
df[obj_columns] = df[obj_columns].replace([None], np.nan)
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