大约有 36,010 项符合查询结果（耗时：0.0437秒） [XML]
Check for column name in a SqlDataReader object
How do I check to see if a column exists in a SqlDataReader object? In my data access layer, I have create a method that builds the same object for multiple stored procedures calls. One of the stored procedures has an additional column that is not used by the other stored procedures. I want to ...
Git diff --name-only and copy that list
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Note that this does not work on Mac, as the --parents option of cp is not available.
– M. Justin
Aug 7 '17 at 17:46
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Can I use require(“path”).join to safely concatenate urls?
... when used with URLs.
It sounds like you want url.resolve. From the Node docs:
url.resolve('/one/two/three', 'four') // '/one/two/four'
url.resolve('http://example.com/', '/one') // 'http://example.com/one'
url.resolve('http://example.com/one', '/two') // 'http://example.com/two'
E...
Git command to show which specific files are ignored by .gitignore
...swer), you can also use the git check-ignore -v command, at least on Unix (doesn't work in a CMD Windows session)
git check-ignore *
git check-ignore -v *
The second one displays the actual rule of the .gitignore which makes a file to be ignored in your git repo.
On Unix, using "What expands to a...
How to find the size of localStorage
...a localStorage instance. This question seems to indicate that JavaScript doesn't have a built in way of showing the size for a given variable. Does localStorage have a memory size property that I haven't seen? Is there an easy way to do this that I'm missing?
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Replacing NAs with latest non-NA value
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Sorry for digging up an old question.
I couldn't look up the function to do this job on the train, so I wrote one myself.
I was proud to find out that it's a tiny bit faster.
It's less flexible though.
But it plays nice with ave, which is what I needed.
repeat.before = function(x) { # repeats...
How to handle invalid SSL certificates with Apache HttpClient? [duplicate]
...that accepts any cert:
import java.net.URL;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net...
Will #if RELEASE work like #if DEBUG does in C#?
...y use "DEBUG". Can I use "RELEASE" in the same way to exclude code that I don't want to run when compiled in debug mode? The code I want to surround with this block sends out a bunch of emails, and I don't want to accidentally send those out when testing.
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Change Twitter Bootstrap Tooltip content on click
...ginal-title attribute and replaces the title value with it.
So we simply do:
$(element).tooltip('hide')
.attr('data-original-title', newValue)
.tooltip('fixTitle')
.tooltip('show');
and sure enough, it updates the title, which is the value inside the tooltip.
Ano...
Studies on optimal code width?
...a company I was with a few years back, and no other company has told me to do it differently.
11 Answers
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