大约有 40,000 项符合查询结果（耗时：0.0571秒） [XML]
Detecting superfluous #includes in C/C++?
I often find that the headers section of a file get larger and larger all the time but it never gets smaller. Throughout the life of a source file classes may have moved and been refactored and it's very possible that there are quite a few #includes that don't need to be there and anymore. Leaving...
How does setting baselineAligned to false improve performance in LinearLayout?
...|
edited Aug 21 '14 at 12:32
Joffrey
10.2k11 gold badge3939 silver badges6363 bronze badges
answered Jul...
getApplication() vs. getApplicationContext()
...nt the Application class you registered in the Manifest, you should never call getApplicationContext() and cast it to your application, because it may not be the application instance (which you obviously experienced with the test framework).
Why does getApplicationContext() exist in the first place...
Pass request headers in a jQuery AJAX GET call
...pRequestMessage r = new HttpRequestMessage(); int mylogonID = Convert.ToInt32(r.Headers.GetValues("logonID")); error out because The given header was not found. because r.Headers is empty.
– Jeb50
Apr 15 '17 at 16:48
...
How to store arbitrary data for some HTML tags
...
Which version of HTML are you using?
In HTML 5, it is totally valid to have custom attributes prefixed with data-, e.g.
<div data-internalid="1337"></div>
In XHTML, this is not really valid. If you are in XHTML 1.1 mode, the browser will probably complain about it, b...
Creating a ZIP Archive in Memory Using System.IO.Compression
...her version of zipping without writing any file.
string fileName = "export_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".xlsx";
byte[] fileBytes = here is your file in bytes
byte[] compressedBytes;
string fileNameZip = "Export_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".zip";
using (var outS...
Replace multiple strings with multiple other strings
...j[matched];
});
jsfiddle example
Generalizing it
If you want to dynamically maintain the regex and just add future exchanges to the map, you can do this
new RegExp(Object.keys(mapObj).join("|"),"gi");
to generate the regex. So then it would look like this
var mapObj = {cat:"dog",dog:"goat"...
Git merge reports “Already up-to-date” though there is a difference
...
The message “Already up-to-date” means that all the changes from the branch you’re trying to merge have already been merged to the branch you’re currently on. More specifically it means that the branch you’re trying to merge is a parent of your current branch. Co...
New features in java 7
...OutputStream(dest))
{
// code
}
Underscores in numeric literals
int one_million = 1_000_000;
Strings in switch
String s = ...
switch(s) {
case "quux":
processQuux(s);
// fall-through
case "foo":
case "bar":
processFooOrBar(s);
break;
case "baz":
processBaz(s);
...
UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...pected (i.e. pull down fires the correct event). However, if I programmatically invoke the beginRefreshing instance method on the refresh control like:
...