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How can I add new keys to a dictionary?

...nt to create a dictionary just to update one key. Do this only if you have more than 1 key (there may be a threshold above which it's better to create a dict) – Jean-François Fabre♦ Aug 1 '18 at 21:42 ...
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What is the difference between and ?

...sing elements (see 7.3)), of which span is one of them, among many others. Moreover, this is not an answer to the OP's question: it doesn't tell anything about the difference between p and div. And please read How do comment replies work? – Marcel Korpel Aug 1 ...
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What is the lifetime of a static variable in a C++ function?

...ion order of locals with static or thread storage duration is considerably more complicated than pure LIFO, see section 3.6.3 [basic.start.term] – Ben Voigt Jun 16 '15 at 14:10 2 ...
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Syntax for a single-line Bash infinite while loop

...ssible to use sleep command in while's condition. Making one-liner looking more clean imho. while sleep 2; do echo thinking; done share | improve this answer | follow ...
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Conversion from Long to Double in Java

... Granted the example in the answer looks more reasonable now having been edited. I maintain that conversion from a value to a double via a String is not good practice. I would have thought that to be fairly uncontroversial. – Joe Kearney ...
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Xcode stuck on Indexing

...ason because Xcode got stucked on "Indexing". I can't Build the project anymore. If I try to build, Xcode freezes and I have to force quit. This happens only with this project. ...
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VBoxManage: error: Failed to create the host-only adapter

...r StartupItems. If it isn't, see @pazhyn's answer below, which seems to be more general & worked for me. – jamesplease Aug 18 '14 at 15:16 ...
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Multiple Updates in MySQL

... answer assumes the ID is a unique key (can be primary as others said) but more importantly it assumes there are no other unique keys. If there are any, it can throw a spanner in the works. – Steve Horvath Dec 3 '14 at 5:43 ...
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How to check if AlarmManager already has an alarm set?

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Show dialog from fragment?

... Unfortunately this approach is a bit more verbose than the classic managed dialogs approach of previous Android revisions, but it is now the preferred method. You can avoid referencing the Activity entirely by using the putFragment and getFragment methods of Fra...