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Difference between is and as keyword
...s
The is operator checks if an object can be cast to a specific type.
Exa<em>mem>ple:
if (so<em>mem>eObject is StringBuilder) ...
as
The as operator atte<em>mem>pts to cast an object to a specific type, and returns null if it fails.
Exa<em>mem>ple:
StringBuilder b = so<em>mem>eObject as StringBuilder;
if (b != null) ...
A...
SQL SELECT WHERE field contains words
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Rather slow, but working <em>mem>ethod to include any of words:
SELECT * FRO<em>Mem> <em>mem>ytable
WHERE colu<em>mem>n1 LIKE '%word1%'
OR colu<em>mem>n1 LIKE '%word2%'
OR colu<em>mem>n1 LIKE '%word3%'
If you need all words to be present, use this:
SELECT * FRO<em>Mem> <em>mem>ytable
WHERE colu<em>mem>...
What is the use of interface constants?
I a<em>mem> learning Java and just found that the Interface can have fields, which are public static and final. I haven't seen any exa<em>mem>ples of these so far. What are so<em>mem>e of the use cases of these Interface Constants and can I see so<em>mem>e in the Java Standard Library?
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How do I deter<em>mem>ine if a port is open on a Windows server? [closed]
I'<em>mem> trying to install a site under an alternative port on a server, but the port <em>mem>ay be closed by a firewall. Is there a way to ping out or in, on a specific port, to see if it is open?
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What does “while True” <em>mem>ean in Python?
While WHAT is True?
15 Answers
15
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How do I scale a stubborn SVG e<em>mem>bedded with the tag?
I have so<em>mem>e SVG files that specifies width and height as well as viewbox like this:
9 Answers
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Can we pass para<em>mem>eters to a view in SQL?
Can we pass a para<em>mem>eter to a view in <em>Mem>icrosoft SQL Server?
19 Answers
19
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Is it possible to download an old APK for <em>mem>y app fro<em>mem> Google Play?
Over the last few <em>mem>onths, I've published several revisions to <em>mem>y app. Unfortunately, I didn't keep copies of all the old APKs, and now I'd like to test upgrade fro<em>mem> the old versions to <em>mem>y new version. Is there any way to download Google's copy of <em>mem>y old versions? The Google Play developer console sh...
What is the correct syntax of ng-include?
I’<em>mem> trying to include an HT<em>Mem>L snippet inside of an ng-repeat , but I can’t get the include to work. It see<em>mem>s the current syntax of ng-include is different than what it was previously: I see <em>mem>any exa<em>mem>ples using
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<em>Mem>ultiple RunWith State<em>mem>ents in jUnit
I write unit test and want to use JUnitPara<em>mem>sRunner and <em>Mem>ockitoJUnitRunner for one test class.
8 Answers
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