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TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
...ple:
String.Equals has [TargetedPatchingOptOut]
You write a program that calls String.Equals
You run NGen on this program for maximum performance
NGen will inline the String.Equals call, replacing the method call instruction with the actual code in the method.
Method calls are (slightly) expensive...
Android:What is difference between setFlags and addFlags for intent
.... in binary, flags look like this: 1, 10, 100, 1000, etc... (which in this case are 1, 2, 4, 8). So, what addFlags does is appending the integer you pass using the | operator.
// example...
// value of flags: 1
intent.setFlags(2|4);
// now flags have this value: 110
intent.addFlags(8);
// now fl...
#if Not Debug in c#?
...bug
#if !Debug
// Your code here
#endif
From the documentation, you can effectively treat DEBUG as a boolean. So you can do complex tests like:
#if !DEBUG || (DEBUG && SOMETHING)
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Requests — how to tell if you're getting a 404
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If you want requests to raise an exception for error codes (4xx or 5xx), call r.raise_for_status():
>>> r = requests.get('http://httpbin.org/status/404')
>>> r.raise_for_status()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "request...
What's the difference between the WebConfigurationManager and the ConfigurationManager?
...nManger knows how to deal with configuration inheritance within a web application. As you know, there could be several web.config files in one applicaion - one in the root of the site and any number in subdirectories. You can pass path to the GetSection() method to get possible overridden config.
I...
Is there a jQuery unfocus method?
How can I unfocus a textarea or input? I couldn't find a $('#my-textarea').unfocus(); method?
6 Answers
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Store select query's output in one array in postgres
...s
WHERE table_name = 'aean')
I'm presuming this is for plpgsql. In that case you can assign it like this:
colnames := ARRAY(
SELECT column_name
FROM information.schema.columns
WHERE table_name='aean'
);
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Can you put two conditions in an xslt test attribute?
...
Not quite, the AND has to be lower-case.
<xsl:when test="4 &lt; 5 and 1 &lt; 2">
<!-- do something -->
</xsl:when>
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How to compare two tags with git?
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If source code is on Github, you can use their comparing tool: https://help.github.com/articles/comparing-commits-across-time/
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Split a string by a delimiter in python
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You can use the str.split function: string.split('__')
>>> "MATCHES__STRING".split("__")
['MATCHES', 'STRING']
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