大约有 16,000 项符合查询结果(耗时:0.0379秒) [XML]

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How can I bring my application window to the front? [duplicate]

...ice behavior, here is code: [DllImport("User32.dll")] public static extern Int32 SetForegroundWindow(int hWnd); SetForegroundWindow(Handle.ToInt32()); Update David is completely right, for completeness I include the list of conditions that must apply for this to work (+1 for David!): The proc...
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“where 1=1” statement [duplicate]

... SQL Injection possible. The security issue would be to use $cond (without converting it to an integer) to specify the minimum age in the query, and to check if isset($_REQUEST['cond']) is actually true (otherwise using 1 = 1). – Arseni Mourzenko Nov 16 '11 at ...
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Display numbers with ordinal suffix in PHP

... PHP has built-in functionality for this. It even handles internationalization! $locale = 'en_US'; $nf = new NumberFormatter($locale, NumberFormatter::ORDINAL); echo $nf->format($number); Note that this functionality is only available in PHP 5.3.0 and later. ...
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Modify alpha opacity of LESS variable

... Thanks! I've been getting tired of converting everything to RGBA! – BillyNair Jun 19 '13 at 1:47 ...
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Display HTML snippets in HTML

...+ with extension 'TextFX'. Mark the text, go to menu >TextFX >TextFX Convert >Encode HTML (&<>") → Done. – Kai Noack Jan 13 '13 at 18:07 2 ...
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WHERE vs HAVING

... If your calculated expression does not contain any aggregates, putting it into the WHERE clause will most probably be more efficient. share | improve this answer | follow ...
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Trimming a huge (3.5 GB) csv file to read into R

... rows (leading Access and SQL to choke). It's county level data set broken into segments, sub-segments, and sub-sub-segments (for a total of ~200 factors) for 40 years. In short, it's huge, and it's not going to fit into memory if I try to simply read it. ...
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String variable interpolation Java [duplicate]

...should avoid String.format. Check performance comparison among Java string interpolation from redfin. – MiaeKim Oct 22 '19 at 22:18 21 ...
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SQL MAX of multiple columns?

... Necro'ing this older post, but you could wrap each date into a COALESCE to handle NULL's. One of those WHEN statements would then look like: WHEN Date1 >= COALESCE(Date2,'') AND Date1 >= COALESCE(Date3,'') THEN Date3 (do the same for the other when's) –...
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How to check if a String contains only ASCII?

...I singleton. Here ASCII includes all ASCII characters including the non-printable characters lower than 0x20 (space) such as tabs, line-feed / return but also BEL with code 0x07 and DEL with code 0x7F. This code incorrectly uses characters rather than code points, even if code points are indicated...