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How to check if object has any properties in JavaScript?
... object has the specified property as a direct property, and not inherited from the object's prototype chain.
Edit
From the comments: You can put that code in a function, and make it return false as soon as it reaches the part where there is the comment
Performance Test
Test Of Object.Keys vs Fo...
How to list all Git tags?
...ightweight one. So you are good with your initial command.
This differs from:
git show-ref --tags -d
Which lists tags with their commits (see "Git Tag list, display commit sha1 hashes").
Note the -d in order to dereference the annotated tag object (which have their own commit SHA1) and display...
Controlling a USB power supply (on/off) with Linux
Is it possible to turn on/off power supplies from USB manually with Linux?
10 Answers
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How to create a HTTP server in Android? [closed]
...e a file located on the device , so that others can download it (or stream from it) ?
– android developer
Jun 16 '14 at 20:37
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Prevent nginx 504 Gateway timeout using PHP set_time_limit()
I am getting 504 timeouts message from nginx when my PHP script is running longer than usual. set_time_limit(0) does not seem to prevent that! Does it not work when running php5-fpm on nginx? If so, whats the proper way of setting the time limit?
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How to implement onBackPressed() in Fragments?
... If you're using the support v7 library and your Activity extends from FragmentActivity (or a subclass, such as AppCompatActivity) this will happen by default. See FragmentActivity#onBackPressed
– Xiao
Sep 24 '15 at 1:00
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How to search through all Git and Mercurial commits in the repository for a certain string?
...reflogs
Instead of walking the commit ancestry chain, walk reflog entries from
the most recent one to older ones.
So you could do this to find a particular string in a commit message that is dangling:
git log -g --grep=search_for_this
Alternatively, if you want to search the changes for a pa...
Joins are for lazy people?
...0 rows in B, B has only 100 rows, and we want to fetch the first 1000 rows from A with associated rows from B. Joining in the database will result in 20 * 1000 tuples sent across the network. If the join is done in the app server (first fetching the entire B table into memory), a mere 100 + 1000 row...
What is the difference between “pom” type dependency with scope “import” and without “import”?
Starting from Maven 2.0.9 there is possibility to include
3 Answers
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How do I suspend painting for a control and its children?
... I have to make large modifications to. I'd like to completely prevent it from redrawing while I do that - SuspendLayout and ResumeLayout aren't enough. How do I suspend painting for a control and its children?
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