大约有 36,010 项符合查询结果（耗时：0.0412秒） [XML]
How to list files in an android directory?
...
I think that you do not have files in the specified folder. Try to check file[] for null. If it is null then you do not have any results and file.length causes the exception.
– Yury
Dec 27 '11 at 17:41
...
String replacement in java, similar to a velocity template
...he Commons Text.
https://commons.apache.org/proper/commons-text/
It will do it for you (and its open source...)
Map<String, String> valuesMap = new HashMap<String, String>();
valuesMap.put("animal", "quick brown fox");
valuesMap.put("target", "lazy dog");
String templateString = "...
make iframe height dynamic based on content inside- JQUERY/Javascript
...
You can retrieve the height of the IFRAME's content by using:
contentWindow.document.body.scrollHeight
After the IFRAME is loaded, you can then change the height by doing the following:
<script type="text/javascript">
function iframeLoaded() {
var iFrameID = document.getElementByI...
How do you clear Apache Maven's cache?
... having caching issues. Performing clean installs on our projects using Windows Vista or Windows 7 sometimes produce artifacts with the same data as a previous build even though the newer artifact's files should have been updated.
...
How to determine if Javascript array contains an object with an attribute that equals a given value?
...f you use some function, the function itself will use a loop. What you can do is break out of the loop as soon as you find what you're looking for to minimize computational time.
var found = false;
for(var i = 0; i < vendors.length; i++) {
if (vendors[i].Name == 'Magenic') {
found = ...
How can I check the syntax of Python script without executing it?
... program and then exit without executing it. Is there an equivalent way to do this for a Python script?
8 Answers
...
How do I compare strings in Java?
...qual").
Objects.equals() checks for null before calling .equals() so you don't have to (available as of JDK7, also available in Guava).
Consequently, if you want to test whether two strings have the same value you will probably want to use Objects.equals().
// These two have the same value
new S...
Django rest framework, use different serializers in the same ModelViewSet
... return serializers.DettaglioGruppi
return serializers.Default # I dont' know what you want for create/destroy/update.
share
|
improve this answer
|
...
Python integer incrementing with ++ [duplicate]
...lf when I've looked back at my VB6 days and thought, "What modern language doesn't allow incrementing with double plus signs?":
...
What is the proper way to re-attach detached objects in Hibernate?
...ng by the number of similar questions about JPA,
it seems that even if JPA does claim to have a coherent model,
it most certainly does not match the mental model of most programmers,
who have been cursed to waste many hours trying understand
how to get JPA to do the simplest things, and end up wit...