大约有 30,000 项符合查询结果（耗时：0.0687秒） [XML]
How to set selected item of Spinner by value, not by position?
I have a update view, where I need to preselect the value stored in database for a Spinner.
25 Answers
...
Detecting 'stealth' web-crawlers
...ith your site.
– KJW
Oct 9 '13 at 0:32
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How to automatically reload a page after a given period of inactivity
... ArtArt
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5
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How can I check if a string is null or empty in PowerShell?
Is there a built-in IsNullOrEmpty -like function in order to check if a string is null or empty, in PowerShell?
11 Answers...
How to check if a string starts with a specified string? [duplicate]
...place.
– Mark Amery
Nov 1 '13 at 10:32
14
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Getting a structural type with an anonymous class's methods from a macro
...ral type with the named member. */
def bar(name: String): Any = macro bar_impl
def bar_impl(c: Context)(name: c.Expr[String]) = {
import c.universe._
val anon = TypeName(c.freshName)
// next week, val q"${s: String}" = name.tree
val Literal(Constant(s: String)) = name.tree
v...
Why doesn't Java allow to throw a checked exception from static initialization block?
...va.lang.ExceptionInInitializerError.
Sample code:
protected static class _YieldCurveConfigHelperSingleton {
public static YieldCurveConfigHelper _staticInstance;
static {
try {
_staticInstance = new YieldCurveConfigHelper();
}
catch (IOException | SAXE...
How to split a file into equal parts, without breaking individual lines? [duplicate]
....log.aa, auth.log.ab, ...
wc -l on the original file and output gives:
321 auth.log
75 auth.log.aa
75 auth.log.ab
75 auth.log.ac
75 auth.log.ad
21 auth.log.ae
642 total
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Daylight saving time and time zone best practices [closed]
...ig file settings or defaults.
Use NTP services on all servers.
If using FAT32, remember that timestamps are stored in local time, not UTC.
When dealing with recurring events (weekly TV show, for example), remember that the time changes with DST and will be different across time zones.
Always query d...
Can I see changes before I save my file in Vim?
...t success.
– Joe J
Aug 16 '11 at 14:32
14
Can somebody explain that? I don't understand what's ha...