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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 ...
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 ...
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/*")...
What is Vim recording and how can it be disabled?
...imes. Note that register '%' (name of the current
file) and '#' (name of the alternate file) cannot be
used. For "@=" you are prompted to enter an
expression. The result of the expression is then
execu...
Sourcetree - undo unpushed commits
... which will undo other commits. E.g. if you have a commit which adds a new file, git revert could be used to make a commit which will delete the new file.
About applying a soft reset: Assume you have the commits A to E (A---B---C---D---E) and you like to delete the last commit (E). Then you can do ...
Where is shared_ptr?
...ew int;
of
if you had boost installation path (for example @ C:\Program Files\Boost\boost_1_40_0) added to your IDE settings:
#include <boost/shared_ptr.hpp>
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What do the &,
...e only used database.yml with each parameter called out explicitly, in the file below it uses some characters I do not understand. What does each line and symbol(&,*,
...