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C++ code file extension? .cc vs .cpp [closed]
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When one considers that the compiler is not typically the only tool involved -- almost always, there is "make" or a similar utility that WILL care which extensions you use, for build rules matching -- then this answer really does not address the core concerns of the questio...
Checking network connection
...t have a working internet connection, the DNS lookup itself may block the call to urllib_request.urlopen for more than a second. Thanks to @rzetterberg for pointing this out.
If the fixed IP address above is not working, you can find a current IP address for google.com (on unix) by running
% dig...
Invalid default value for 'create_date' timestamp field
... - NO_ZERO_DATE.
From the reference: NO_ZERO_DATE - In strict mode, don't allow '0000-00-00' as a valid date. You can still insert zero dates with the IGNORE option. When not in strict mode, the date is accepted but a warning is generated.
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What are the most-used vim commands/keypresses?
...rouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' for appending text at the end of the line, or…" I can't imagine everyone uses a...
Programmatically get own phone number in iOS
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What's the best reason you have seen for Apple disallowing permission-based access to the user's phone number? Apple already allows permission-based access to contacts, photos, location, and the user's camera and microphone. Why not the phone number? There must be a good rea...
Generating statistics from Git repository [closed]
I'm looking for some good tools/scripts that allow me to generate a few statistics from a git repository. I've seen this feature on some code hosting sites, and they contained information like...
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How to list the files inside a JAR file?
I have this code which reads all the files from a directory.
16 Answers
16
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Is there a unique Android device ID?
...at Anthony's answer.
Full disclosure: my app used the below approach originally but no longer uses this approach, and we now use the approach outlined in the Android Developer Blog entry that emmby's answer links to (namely, generating and saving a UUID#randomUUID()).
There are many answers to this...
Open a folder using Process.Start
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Small difference if that explorer window is already open: Process.Start(path) activates the window (may only blink in task bar, not brought to front); explorer.exe+parameter opens a new window always in the front (but multiple...
MISCONF Redis is configured to save RDB snapshots
...rvices.msc, Enter -> Search for Redis then click on restart.
I personally had this issue after upgrading redis with Brew (brew upgrade).
After rebooting the laptop, it immediately worked.
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