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How to save a dictionary to a file?

I have problem with changing a dict value and saving the dict to a text file (the format must be same), I only want to change the member_phone field. ...
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Is effective C++ still effective?

...t on his own blog Which may lead you to wonder whether the information and advice in this pre-C++0x edition of Effective C++ remains relevant. I'm pleased to report that it does. Surprisingly so, in fact. Having spent nearly two years steeped in the details of C++0x, I expected to groan a ...
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Exclude a directory from git diff

...I'm creating a diff for our entire software release using the git diff command. However the changes to the specs are irrelevant for this procedure, and just create headaches. now I know i can do ...
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Binding a WPF ComboBox to a custom list

... You set the DisplayMemberPath and the SelectedValuePath to "Name", so I assume that you have a class PhoneBookEntry with a public property Name. Have you set the DataContext to your ConnectionViewModel object? I copied you code and made some minor modif...
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Android Studio needs JDK 7 for Android-L mac

I was trying to look how my app looks in material design and I would like to use the new cards lib. My Problem is, that it's giving me this error within my gradle file and I need to fix that. ...
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?

... has no data types, there are storage classes in a manifest typing system, and yeah, it's confusing if you're used to traditional RDBMSes. Everything, internally, is stored as text. Data types are coerced/converted into various storage locations based on affinities (ala data types assigned to column...
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Get number of digits with JavaScript

...viour of floating point math, so cast-to-string approach will be more easy and fool proof. As mentioned by @streetlogics fast casting can be done with simple number to string concatenation, leading the replace solution to be transformed to: var length = (number + '').replace('.', '').length; // fo...
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Custom domain for GitHub project pages

...or http:// if you choose NOT to use HTTPS). I always use www as my final landing. Why(1,2), is for another discussion. This answer is long but it is not complicated. I was verbose for clarity as the GitHub docs on this topic are not clear or linear. Step 1: Enable GitHub pages in GitHub settings ...
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python date of the previous month

... datetime and the datetime.timedelta classes are your friend. find today. use that to find the first day of this month. use timedelta to backup a single day, to the last day of the previous month. print the YYYYMM string you're looki...
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How to write file if parent folder doesn't exist?

...you could go with async/await like this gist: gist.github.com/lucasreppewelander/… – Lucas Reppe Welander Mar 8 '18 at 21:48 ...