大约有 47,000 项符合查询结果（耗时：0.0709秒） [XML]
instantiate a class from a variable in PHP?
...
This is how I do it. Note that from within classes you can use parent and self.
– Ross
Feb 10 '09 at 20:55
1
...
How do I get the application exit code from a Windows command line?
...
If you're running directly from a Windows command line and always seeing 0 returned, see Gary's answer: stackoverflow.com/a/11476681/31629
– Ken
Aug 30 '12 at 13:51
...
How to check the version before installing a package using apt-get?
...o apt-show-versions --regex chrome
google-chrome-stable/stable upgradeable from 32.0.1700.102-1 to 35.0.1916.114-1
xserver-xorg-video-openchrome/quantal-security uptodate 1:0.3.1-0ubuntu1.12.10.1
$
share
|
...
Can't use NVM from root (or sudo)
...entioned that my application uses different version of NodeJS when running from sudo .
10 Answers
...
How to determine SSL cert expiration date from a PEM encoded certificate?
...tainer, your expiry_date value will need to have the timezone name removed from the end of it. Add an additional cut to the end of the pipe to do this: | cut -d ' ' -f 1-4
– Droogans
Feb 28 at 10:13
...
How do you Force Garbage Collection from the Shell?
...rm program.
Fire it up like so:
java -jar jmxterm-1.0-alpha-4-uber.jar
From there, you can connect to a host and trigger GC:
$>open host:jmxport
#Connection to host:jmxport is opened
$>bean java.lang:type=Memory
#bean is set to java.lang:type=Memory
$>run gc
#calling operation gc of mb...
Get just the filename from a path in a Bash script [duplicate]
...
Here is an easy way to get the file name from a path:
echo "$PATH" | rev | cut -d"/" -f1 | rev
To remove the extension you can use, assuming the file name has only ONE dot (the extension dot):
cut -d"." -f1
...
Generating random integer from a range
...
Thanks, this seems to be good enough for me from quick tests - its distribution for the -1, 0, 1 is nearly 33:33:33.
– Matěj Zábský
Feb 15 '11 at 20:23
...
How do I get bit-by-bit data from an integer value in C?
... for more bits (up to 32 for an integer).
std::vector <bool> bits_from_int (int integer) // discern which bits of PLC codes are true
{
std::vector <bool> bool_bits;
// continously divide the integer by 2, if there is no remainder, the bit is 1, else it's 0
for (int i =...
Pass data to layout that are common to all pages
...proach being not to repeat the same code in multiple places.
Edit: Update from comments below
Here is a simple example to demonstrate the concept.
Create a base view model that all view models will inherit from.
public abstract class ViewModelBase
{
public string Name { get; set; }
}
public...