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What's the best manner of implementing a social activity stream? [closed]
...a social activity stream (Facebook is the most famous example). Problems/challenges involved are:
13 Answers
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Reverting part of a commit with git
...used the following successfully.
First revert the full commit (puts it in index) but don't commit.
git revert -n <sha1> # -n is short for --no-commit
Then interactively remove the reverted GOOD changes from the index
git reset -p # -p is short for --patch
Then commit reverse...
Programmatically scroll to a specific position in an Android ListView
...tener() {
public void onClick(View v) {
int index = list.getFirstVisiblePosition();
getListView().smoothScrollToPosition(index+1); // For increment.
}
});
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How to search for a string in cell array in MATLAB?
...w does this compare to making a Map of String->Indices and then getting index by doing a map lookup? Asking perf wise.
– faizan
Oct 1 '16 at 23:33
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Choosing Java vs Python on Google App Engine
...s mature. However, Java seems to have a longer list of libraries and especially support for Java bytecode regardless of the languages used to write that code. Which language will give better performance and more power? Please advise. Thank you!
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What is a Windows Handle?
...easing the handle invalidates the pointer. In this case think of it as an index into a table of pointers... you use the index for the system API calls, and the system can change the pointer in the table at will.
Alternatively a real pointer may be given as the handle when the API writer intends th...
How to show popup message like in Stack Overflow
...erif;
position:fixed;
top:0px;
left:0px;
width:100%;
z-index:105;
text-align:center;
font-weight:bold;
font-size:100%;
color:white;
padding:10px 0px 10px 0px;
background-color:#8E1609;
}
#message span {
text-align: center;
width: 95%;
float:le...
How to deserialize a list using GSON or another JSON library in Java?
...on extends a class AbstractList and doesn't override the method remove(int index) from the base class. And if you look at the source code of the AbstractList.remove(int index) you would see it always thrown UnsupportedOperationException. The same is for add() method.
– Bogdan K...
Should methods that throw RuntimeException indicate it in method signature?
...ptions, such as trying to access an object through a null
reference; and indexing exceptions, such as attempting to access an
array element through an index that is too large or too small.
Runtime exceptions can occur anywhere in a program, and in a typical
one they can be very numerous. ...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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用域值作为数组的下标。一种新的for循环方式，for (index_value in array) statement。如:$ awk '{count[$1]++} END{for(name in count) print name,count[name]}' test。该语句将打印$1中字符串出现的次数。它首先以第一个域作数组count的下标，第一个...