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How to change the docker image installation directory?
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edited Jul 11 '19 at 6:10
answered Jun 19 '14 at 16:51
mb...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
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10 Answers
10
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How to empty a list?
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answered Sep 9 '09 at 16:10
fortranfortran
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How can I round a number in JavaScript? .toFixed() returns a string?
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It returns a string because 0.1, and powers thereof (which are used to display decimal fractions), are not representable (at least not with full accuracy) in binary floating-point systems.
For example, 0.1 is really 0.1000000000000000055511151231257827...
Checking if an object is a given type in Swift
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307
If you want to check against a specific type you can do the following:
if let stringArray = ob...
How to check Oracle database for long running queries
...sid, to_char(start_time,'hh24:mi:ss') stime,
message,( sofar/totalwork)* 100 percent
FROM v$session_longops
WHERE sofar/totalwork < 1
/
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Calculating the difference between two Java date instances
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202
The JDK Date API is horribly broken unfortunately. I recommend using Joda Time library.
Joda ...
How to add an image to a JPanel?
...(Graphics g) {
super.paintComponent(g);
g.drawImage(image, 0, 0, this); // see javadoc for more info on the parameters
}
}
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How to replace a set of tokens in a Java String?
... replacements map ...
StringBuilder builder = new StringBuilder();
int i = 0;
while (matcher.find()) {
String replacement = replacements.get(matcher.group(1));
builder.append(text.substring(i, matcher.start()));
if (replacement == null)
builder.append(matcher.group(0));
else
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How to convert a PIL Image into a numpy array?
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edited Dec 29 '08 at 11:11
answered Dec 21 '08 at 20:46
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