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How can I install Apache Ant on Mac OS X?
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j-beda
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answered Jul 11 '10 at 12:09
Michael Aaron SafyanMichael Aaron Safyan
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python-pandas and databases like mysql
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102
As Wes says, io/sql's read_sql will do it, once you've gotten a database connection using a DBI ...
Best practices/performance: mixing StringBuilder.append with String.concat
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+ operator
String s = s1 + s2
Behind the scenes this is translated to:
String s = new StringBuilder(s1).append(s2).toString();
Imagine how much extra work it adds if you have s1 + s2 here:
stringBuilder.append(s1 + s2)
instead of:
stringBuilder...
Should flux stores, or actions (or both) touch external services?
...n creators. This is less of a big deal, but nice to have. As mentioned in #2, if your stores have synchronous action dispatch handling (and they should), you'll need to fire extra actions to handle the results of asynchronous operations. Doing the dispatches in the action creators means that a singl...
Change multiple files
The following command is correctly changing the contents of 2 files.
9 Answers
9
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Shell - Write variable contents to a file
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answered Jul 23 '12 at 19:12
pb2qpb2q
51.9k1616 gold badges128128 silver badges136136 bronze badges
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What is the best way to do a substring in a batch file?
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edited Apr 23 '15 at 8:40
Marco Bonelli
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Gray out image with CSS?
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237
Does it have to be gray? You could just set the opacity of the image lower (to dull it). Alter...
sizeof single struct member in C
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204
Although defining the buffer size with a #define is one idiomatic way to do it, another would ...
Explain Morris inorder tree traversal without using stacks or recursion
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edited Apr 1 '11 at 7:22
answered Mar 31 '11 at 21:31
T...