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How to convert an IPv4 address into a integer in C#?
...64.233.187.99. That's equivalent to:
64*2^24 + 233*2^16 + 187*2^8 + 99
= 1089059683
And indeed, http://1089059683/ works as expected (at least in Windows, tested with IE, Firefox and Chrome; doesn't work on iPhone though).
Here's a test program to show both conversions, including the network/hos...
Re-open *scratch* buffer in Emacs?
...
201
GNU Emacs default bindings:
C-xb *scratch* RET
or, more verbosely
M-x switch-to-buffe...
Android Webview - Completely Clear the Cache
...arCacheFolder(final File dir, final int numDays) {
int deletedFiles = 0;
if (dir!= null && dir.isDirectory()) {
try {
for (File child:dir.listFiles()) {
//first delete subdirectories recursively
if (child.isDirectory()) {
...
Strtotime() doesn't work with dd/mm/YYYY format
...
403
Here is the simplified solution:
$date = '25/05/2010';
$date = str_replace('/', '-', $date);
e...
How do I change the default port (9000) that Play uses when I execute the “run” command?
...
409
Play 2.x
In Play 2, these are implemented with an sbt plugin, so the following instructions...
Is it safe to assume a GUID will always be unique?
...ow there is a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one?
...
How to detect responsive breakpoints of Twitter Bootstrap 3 using JavaScript?
... Bootstrap 3 have the following responsive breakpoints: 768px, 992px and 1200px, representing small, medium and large devices respectively.
...
从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...L(Cassandra, HBase, MongoDB)。
注：NoSQL的实现在mahout-integration-0.8.jar中。
数据格式支持2种：
GenericDataModel: 用户ID，物品ID，用户对物品的打分(UserID,ItemID,PreferenceValue)
GenericBooleanPrefDataModel: 用户ID，物品ID (UserID,ItemID)，这种方式表...
'transform3d' not working with position: fixed children
...ances, a fixed div would be positioned exactly where it is specified ( top:0px , left:0px ).
10 Answers
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SqlException from Entity Framework - New transaction is not allowed because there are other threads
...
20 Answers
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