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Python Nose Import Error
...e got an __init__.py in your top level directory. That makes it a package. If you remove it, your nosetests should work.
If you don't remove it, you'll have to change your import to import dir.foo, where dir is the name of your directory.
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Add centered text to the middle of a -like line
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I don't know if this has been figured out but flexbox offers quite a solution:
<div class="separator">Next section</div>
.separator {
display: flex;
align-items: center;
text-align: center;
}
.separator::before, ...
What is the difference between UNION and UNION ALL?
What is the difference between UNION and UNION ALL ?
26 Answers
26
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How can I create an array with key value pairs?
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Use the square bracket syntax:
if (!empty($row["title"])) {
$catList[$row["datasource_id"]] = $row["title"];
}
$row["datasource_id"] is the key for where the value of $row["title"] is stored in.
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How can I restart a Java application?
...ain().getCodeSource().getLocation().toURI());
/* is it a jar file? */
if(!currentJar.getName().endsWith(".jar"))
return;
/* Build command: java -jar application.jar */
final ArrayList<String> command = new ArrayList<String>();
command.add(javaBin);
command.add("-jar");
...
Creating temporary files in bash
...owever, some systems (busybox ash, for one) limit this randomness more significantly than others
By the way, safe creation of temporary files is important for more than just shell scripting. That's why python has tempfile, perl has File::Temp, ruby has Tempfile, etc…
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Getting the class name of an instance?
...I find out a name of class that created an instance of an object in Python if the function I am doing this from is the base class of which the class of the instance has been derived?
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When to use “ON UPDATE CASCADE”
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It's true that if your primary key is just a identity value auto incremented, you would have no real use for ON UPDATE CASCADE.
However, let's say that your primary key is a 10 digit UPC bar code and because of expansion, you need to chang...
How to pass values between Fragments
...e that the host activity has implemented the callback interface
// If not, it throws an exception
try
{
mCallback = (OnImageClickListener) context;
}
catch (ClassCastException e)
{
throw new ClassCastException(context.toString...
Make a phone call programmatically
...tring:[@"tel://" stringByAppendingString:phone]];
NSURL *targetURL = nil;
if ([UIApplication.sharedApplication canOpenURL:urlOption1]) {
targetURL = urlOption1;
} else if ([UIApplication.sharedApplication canOpenURL:urlOption2]) {
targetURL = urlOption2;
}
if (targetURL) {
if (@availab...