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How to maintain aspect ratio using HTML IMG tag
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Don't set height AND width. Use one or the other and the correct aspect ratio will be maintained.
.widthSet {
max-width: 64px;
}
.heightSet {
max-height: 64px;
}
<img src="http://placehold.it/200x250" />
<img src="http://pla...
How do you check in python whether a string contains only numbers?
...turn True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handling, such as the compatibility superscript digits. This covers digits which cannot be used to form numbers in base 10, like t...
JSTL in JSF2 Facelets… makes sense?
...ecuted during view build time, while JSF <h:xxx> tags are all UI components and they are executed during view render time.
Note that from JSF's own <f:xxx> and <ui:xxx> tags only those which do not extend from UIComponent are also taghandlers, e.g. <f:validator>, <ui:inc...
How useful/important is REST HATEOAS ( maturity level 3)?
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Nobody in the REST community says REST is easy. HATEOAS is just one of the aspects that adds difficulty to a REST architecture.
People don't do HATEOAS for all the reasons you suggest: it's difficult. It adds complexity to both the server side and the client (if you actually want to bene...
Why does pylint object to single character variable names?
...checks not only PEP8 recommendations. It has also its own recommendations, one of which is that a variable name should be descriptive and not too short.
You can use this to avoid such short names:
my_list.extend(x_values)
Or tweak PyLint's configuration to tell PyLint what variable name are good...
grunt: command not found when running from terminal
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I have been hunting around trying to solve this one for a while and none of the suggested updates to bash seemed to be working. What I discovered was that some point my npm root was modified such that it was pointing to a Users/USER_NAME/.node/node_modules while the actua...
What does “zend_mm_heap corrupted” mean
...uction. However, some single instances -- non-production/sandbox, customer one-offs -- do not use memcache. In the latter case, I had a configuration copied from production to a customer one-off, and the memcache configuration indicated a memcache server URI that was not available in that environmen...
What's the best way to learn LISP? [closed]
...p are fairly different in rather deep ways (like scoping); you should pick one to start with and stick with it for a while. I'm a Common Lisp fan, but that may be one of those vi-vs-EMACS religious questions.
For Scheme, go for Kent Dybvig's Scheme Programming Language, followed by SICP.
For Comm...
How to make UIButton's text alignment center? Using IB
...Button using IB as center. My title is multi line. It is giving like this one
15 Answers
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mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
...aveOk() every time, do this:
Create a file named replStart.js, containing one line: rs.slaveOk()
Then include --shell replStart.js when you launch the Mongo shell. Of course, if you're connecting locally to a single instance, this doesn't save any typing.
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