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“Java DateFormat is not threadsafe” what does this leads to?
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The specifications of Format, NumberFormat, DateFormat, MessageFormat, etc. were not designed to be thread-safe. Also, the parse method calls on Calendar.clone() method and it affects calendar footprints so many threads parsing concurrently will change the cloning of the Calendar instance.
For ...
Why is it important to override GetHashCode when Equals method is overridden?
...t if your item will be used as a key in a dictionary, or HashSet<T>, etc - since this is used (in the absence of a custom IEqualityComparer<T>) to group items into buckets. If the hash-code for two items does not match, they may never be considered equal (Equals will simply never be call...
In C++, what is a virtual base class?
...l (e.g. typedef, member variable, member function, cast to the base class, etc.). This really is a multiple inheritance issue, an issue that users should be aware to use multiple inheritance correctly, instead of going the Java way and conclude "Multiple inheritance is 100% evil, let's do that with ...
Custom fonts and XML layouts (Android)
...ext context, AttributeSet attrs) {
super(context, attrs);
setCustomFont(context, attrs);
}
public TextViewPlus(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setCustomFont(context, attrs);
}
private void setCust...
Cached, PHP generated Thumbnails load slowly
...lly lengh-scripts that do various other stuff ( translations, menu loading etc) all in a fraction of a time... THEY don't seem to be bottlenecked at all... does that direct the problem then to the thumbnail generator php ONLY?
– Sam
Feb 24 '11 at 21:36
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How to run Django's test database only in memory?
...do service mysql stop
$ sudo cp -pRL /var/lib/mysql /dev/shm/mysql
$ vim /etc/mysql/my.cnf
# datadir = /dev/shm/mysql
$ sudo service mysql start
Beware, it's just for testing, after reboot your database from memory is lost!
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Storing Images in DB - Yea or Nay?
...a database don't benefit from this optimization.
things like web servers, etc, need no special coding or processing to access images in the file system
databases win out where transactional integrity between the image and metadata are important.
it is more complex to manage integrity between db m...
Why does Git treat this text file as a binary file?
...t should be treated as UTF16 the user needs to tell git via .gitattributes etc.
– Philip Oakley
Jul 28 '11 at 9:34
7
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Setup a Git server with msysgit on Windows [closed]
...{gitcorepath}:${PATH}
Here's what I added to the bash profile (in CopSsh etc/profile):
gitpath='/c/Program Files (x86)/Git/bin'
gitcorepath='cygdrive/c/Program Files (x86)/Git/libexec/git-core'
export PATH="/bin:$syspath:$gitpath:$gitcorepath:$winpath"
There is some duplication her...
How to join components of a path when you are constructing a URL in Python
...oining URLs. It it for resolving relative URLs as found in HTML documents, etc.
– OrangeDog
Aug 15 '16 at 10:27
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