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Equivalent of strace -feopen < command > on mac os X
...seful for debugging (hence programming related). On linux, we can use the command
1 Answer
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How can I conditionally require form inputs with AngularJS?
... need to write a custom directive. Angular's documentation is good but not complete. In fact, there is a directive called ngRequired, that takes an Angular expression.
<input type='email'
name='email'
ng-model='contact.email'
placeholder='your@email.com'
ng-required=...
What are all the differences between src and data-src attributes?
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The attributes src and data-src have nothing in common, except that they are both allowed by HTML5 CR and they both contain the letters src. Everything else is different.
The src attribute is defined in HTML specs, and it has a functional meaning.
The data-src attribute ...
How do I import a specific version of a package using go get?
coming from a Node environment I used to install a specific version of a vendor lib into the project folder ( node_modules ) by telling npm to install that version of that lib from the package.json or even directly from the console, like so:
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Mockito test a void method throws an exception
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@clement both can be used: docs.mockito.googlecode.com/hg/latest/org/mockito/…. Creating an exception doesn't throw it.
– JB Nizet
Jul 23 '15 at 15:27
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S3 Error: The difference between the request time and the current time is too large
...te machine or on cloud, use internet to find the current time. timeanddate.com :)
– user_v
Apr 13 '12 at 13:31
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...o, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the end:
User.select(:first,:email).group(:first,:email).having("count(*) > 1").size
and you'll get a result set back that looks like this:
{[nil, nil]=>512,
["Joe", "test@test.c...
How to retrieve inserted id after inserting row in SQLite using Python?
...ppears Python's sqlite3 lastrowid uses last_insert_rowid underneath github.com/ghaering/pysqlite/blob/… (which isn't guaranteed threadsafe but seems the only option FWIW). See also stackoverflow.com/q/2127138/32453
– rogerdpack
Jan 26 '17 at 20:41
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Mongoose query where value is not null
.../reference/operator/query The up-to-date doc about it, is here: mongoosejs.com/docs/api.html#query_Query-ne
– zeropaper
Jul 20 '14 at 7:52
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