大约有 3,000 项符合查询结果（耗时：0.0092秒） [XML]
How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
...e when I was setting up TeamCity. Copied jar from the Platform Independent zip file into the folder prompted in TeamCity setup and hit refresh drivers button.
– Stephen Price
Mar 22 '15 at 4:58
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Simpler way to create dictionary of separate variables?
...text=[name.strip() for name in text[begin:end].split(',')]
return dict(zip(text,expr))
bar=True
foo=False
print(make_dict(bar,foo))
# {'foo': False, 'bar': True}
Note that this hack is fragile:
make_dict(bar,
foo)
(calling make_dict on 2 lines) will not work.
Instead of trying t...
How can I get stock quotes using Google Finance API?
...version="1">
<finance module_id="0" tab_id="0" mobile_row="0" mobile_zipped="1" row="0" section="0" >
<symbol data="TVIX"/>
<pretty_symbol data="TVIX"/>
<symbol_lookup_url data="/finance?client=ig&amp;q=TVIX"/>
<company data="VelocityShares Daily 2x VIX Short Term E...
How to refer to relative paths of resources when working with a code repository
...ed way is(/was maybe?) to use pkg_resources, but with the disappearance of zipped eggs, is there any harm in just using __file__ like the good old days?
– Pykler
Apr 9 '14 at 7:27
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Only read selected columns
... As you probably know, R reads the data in memory. Whether you read the zipped file or the unzipped file doesn't make a difference on the size of the resulting data in memory. If you have 60GB in files, read.table won't save you. In that case, you might want to look at the ff-package.
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How to convert a PIL Image into a numpy array?
...ay() and array2pil() functions using getdata() on this page in correlation.zip.
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SQL SELECT speed int vs varchar
... Anything you can keep in numeric the faster... for example phone numbers, zip codes, even currency * 1000 (storage) currency div 1000 (retrieval) is faster than DECIMAL for comparisons.
Ozz
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OpenJDK availability for Windows OS [closed]
...e OpenJDK (GPL2 + Classpath Exception) from Oracle are available as tar.gz/zip from the JDK website.
If you prefer an installer, there are several distributions. There is a public Google Doc and Blog post by the Java Champions community which lists the best-supported OpenJDK distributions. Currentl...
How to execute XPath one-liners from shell?
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Xidel (0..8.win32.zip) shows up as having malware on Virustotal. So try at your own risk virustotal.com/#/file/…
– JGFMK
May 9 '18 at 13:17
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Http Basic Authentication in Java using HttpClient?
...Base64Encoder look here. For Base64 look in commons-codec-1.6.jar in 4.2.5.zip at Apache HttpComponents Downloads, doc, import org.apache.commons.codec.binary.Base64;
– Lernkurve
May 15 '13 at 15:49
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