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Decreasing height of bootstrap 3.0 navbar
...ce, there should be a variable for the navbar height in the variables.less file. If you are not using the source, then you can customize it using the customize utilty that bootstrap's site provides. And then you can downloaded it and include it in your project. The variable you are looking for is: @...
Find method references in Xcode
...re interested in, or position the text cursor within it.
Open the "Related Files" menu via the icon at the top-left of the Editor. (It's the button immediately to the left of the back button).
Go to the "Callers" submenu for a list of all methods that call the selected method, and click any of them ...
How to put an image in div with CSS?
...iv class="picture1">&nbsp;</div>
and put this into your css file:
div.picture1 {
width:100px; /*width of your image*/
height:100px; /*height of your image*/
background-image:url('yourimage.file');
margin:0; /* If you want no margin */
padding:0; /*if your want to paddi...
Proper use of 'yield return'
...Another example that might be interesting is when reading rather large CSV files. You want to read each element but you also want to extract your dependency away. Yield returning an IEnumerable<> will allow you to return each row and process each row individually. No need to read a 10 Mb file ...
RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
...ess them using RequestDispatcher#forward().
You can for example have a JSP file in /WEB-INF/login.jsp and a LoginServlet which is mapped on an url-pattern of /login. When you invoke http://example.com/context/login, then the servlet's doGet() will be invoked. You can do any preprocessing stuff in th...
How to get current memory usage in android?
...ytes * 100 / nativeHeapSize
But I believe it might be best to use the profiler of the IDE, which shows the data in real time, using a graph.
So the good news on Android O is that it's much harder to get crashes due to OOM of storing too many large bitmaps, but the bad news is that I don't think ...
Python try…except comma vs 'as' in except
...bout other versions) the 'comma' syntax is not supported any more:
Source file exception_comma.py:
try:
result = 1/0
except Exception, e:
print("An error occurred")
exit(1)
exit(0)
$ python --version --> Python 2.7.10
$ python exception_comma.py
An error occurred
$ python3 ...
How to apply unmerged upstream pull requests from other forks into my fork?
...s unless there is no fork. For example: github.com/OculusVR/RakNet/pull/61/files
– Milan Babuškov
Apr 11 '16 at 10:53
...
Why dict.get(key) instead of dict[key]?
...is a practical example:
Say, you are calling an API, which returns a JOSN file you need to parse. The first JSON looks like following:
{"bids":{"id":16210506,"submitdate":"2011-10-16 15:53:25","submitdate_f":"10\/16\/2011 at 21:53 CEST","submitdate_f2":"p\u0159ed 2 lety","submitdate_ts":1318794805...
How to add a filter class in Spring Boot?
...t;/filter-mapping>
These will be the two beans in your @Configuration file
@Bean
public FilterRegistrationBean someFilterRegistration() {
FilterRegistrationBean registration = new FilterRegistrationBean();
registration.setFilter(someFilter());
registration.addUrlPatterns("/url/*")...