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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
...undefined !== null(true) would be better to give a bit more information in order to be helpful and push people in the right direction. moz doc on the difference developer.mozilla.org/en-US/docs/Web/JavaScript/…
– Corey Young
Jan 14 '16 at 18:03
...
XML parsing of a variable string in JavaScript
...the document.implementation.createDocument() method. When using Chrome, in order to load an XML file into a XmlDocument object, you need to use the inbuilt XmlHttp object and then load the file by passing it's URI.
In your case, the scenario is different, because you want to load the XML from a str...
Value Change Listener to JTextField
...explicitly through a call within each of insertUpdate and removeUpdate, in order to get it work ..
– user6039980
Dec 1 '17 at 14:12
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setuptools: package data folder location
...package_data, to avoid the problems described in samplebias answer, but in order to mantain the file structure you should add to your setup.py:
try:
os.symlink('../../data', 'src/mypackage/data')
setup(
...
package_data = {'mypackage': ['data/*']}
...
)
finally:
...
How can I connect to Android with ADB over TCP? [closed]
... Actually, you can connect many devices at a time, if you follow the right order. Just set the tcpip to 5555 individually for each phone, then issue the connect command for each phone and voilá, they are all connected to adb.
– andreszs
Feb 16 '15 at 18:53
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Are std::vector elements guaranteed to be contiguous?
...stion is simple: are std::vector elements guaranteed to be contiguous? In order word, can I use the pointer to the first element of a std::vector as a C-array?
...
What is Gradle in Android Studio?
...s \src folder) or resources files (in Eclipse it is \res folder).
Now, in order to automate all these tasks, there has to be a script; you can write your own build system using shell scripting in linux or batch files syntax in windows. Got it?
Gradle is another build system that takes the best fea...
Java Reflection Performance
... reflection throughout a million line system only to later discover it was orders of magnitude too slow.
– RichieHH
Aug 15 '10 at 14:51
2
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What is the difference between “git init” and “git init --bare”?
...ed and serialized and stored under the SHA1 (a hash) of their contents. In order to get an object in a bare repository, you need to git show and then specify the sha1 of the object you want to see. You won't see a structure like what your project looks like.
Bare repositories are usually central re...
Generating Random Passwords
...haracter, one number, and one special symbol
/// (such as '%') in a random order. The password will always start with an
/// alpha-numeric character; it will not start with a special symbol (we do
/// this because some back-end systems do not like certain special
/// characters in the first position...