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Detect the Internet connection is offline?
...et may be to just fail gracefully, preserve the data, and alert the user.. allowing them to eventually fix the connection problem if there is one, and to continue using your app with a fair amount of forgiveness.
Sidenote: You could check a reliable site like google for connectivity, but this may n...
How to use the toString method in Java?
...
object. In general, the toString
method returns a string that
"textually represents" this object.
The result should be a concise but
informative representation that is
easy for a person to read. It is
recommended that all subclasses
override this method.
The toString method fo...
How to host google web fonts on my own server?
...ave internet connection. Reading the license terms, it appears that its legally allowed.
18 Answers
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...可能会报目录不存在的错误，无视
[root@redhat ~]#yum clean all
[root@redhat ~]#yum makecache
检查一下成功没有
[root@redhat mnt]# yum grouplist
6、安装支持包
[root@redhat yum.repos.d]# cd /mnt/
[root@redhat mnt]# cat pacakage.txt
[root@redhat mnt]# yum install $(...
Is there a way to recover from an accidental “svn revert”?
...
No, (absolutely) NO.
If you say to Subversion it should revert a file, all changes are gone by the wind.
Only your memory can get them back.
Exception: New files you had added, will only lose their status "added", but the file will remain in this directory, only status is unknown("?")
Plat...
Gson: How to exclude specific fields from Serialization without annotations
... it's almost the same thing as an exclusion annotation as in it applies to all instances of that class. I wanted runtime dynamic exclusion. I some cases I want some fields excluded in order to provide a lighter/restricted response and in others I want the full object serialized
...
How to make git mark a deleted and a new file as a file move?
I've moved a file manually and then I've modified it. According to Git, it is a new file and a removed file. Is there any way to force Git into treating it as a file move?
...
Constructor function vs Factory functions
...function is used with the new keyword (which causes JavaScript to automatically create a new object, set this within the function to that object, and return the object):
var objFromConstructor = new ConstructorFunction();
A factory function is called like a "regular" function:
var objFromFactory...
Installing SciPy with pip
It is possible to install NumPy with pip using pip install numpy .
15 Answers
15...
Git Ignores and Maven targets
Anyone know if it is possible to ignore all the instances of a particular directory in a file structure managed by git.
5 ...