大约有 14,600 项符合查询结果（耗时：0.0173秒） [XML]
Batch script loop
...
for /l is your friend:
for /l %x in (1, 1, 100) do echo %x
Starts at 1, steps by one, and finishes at 100.
Use two %s if it's in a batch file
for /l %%x in (1, 1, 100) do echo %%x
(which is one of the things I really really hate about windows scripting)
If you have multiple comm...
Set environment variables on Mac OS X Lion
...at it is built on Unix. This is where the .bash_profile comes in. When you start the Terminal app in OS X you get a bash shell by default. The bash shell comes from Unix and when it loads it runs the .bash_profile script. You can modify this script for your user to change your settings. This file is...
How to use Git and Dropbox together effectively?
... exit 0
fi
# We have enough parameters, so let's actually do this thing.
START_DIR=$(pwd)
# Make sure we have a connection to Dropbox
cd ~
if [ -s 'Dropbox' ] ; then
echo "Found Dropbox directory."
cd Dropbox
if [ -s 'git' ] ; then
echo " Dropbox Git directory found."
e...
What is the difference between packaged_task and async
...rono::seconds(1));
return 1;
};
Packaged task
A packaged_task won't start on it's own, you have to invoke it:
std::packaged_task<int()> task(sleep);
auto f = task.get_future();
task(); // invoke the function
// You have to wait until task returns. Since task calls sleep
// you will h...
Internet Explorer 9 not rendering table cells properly
...oing something really silly; removing all the spaces betwen the <td> start and end tags and left justifying the HTML markup pertaining to my table. Basically, you want all of your <td> </td> on the same line, no spaces.
Example:
<table>
<tr class="grid_customer_normal"&g...
Should I always use a parallel stream when possible?
... i have a collection of objects that implement Runnable that I call start() to use them as Threads, is it ok to change that to using java 8 streams in a .forEach() parallelized ? Then i'd be able to strip the thread code out of the class. But are there any downsides?
– y...
Find provisioning profile in Xcode 5
... using awk. This one-liner will find the first file that contains the name starting with "iOS Team".
awk 'BEGIN{e=1;pat="<string>"tolower("iOS Team")}{cur=tolower($0);if(cur~pat &&prev~/<key>name<\/key>/){print FILENAME;e=0;exit};if($0!~/^\s*$/)prev=cur}END{exit e}' *
He...
Debugging with command-line parameters in Visual Studio
... solution, remember to right click the project you wand to run and "Set as StartUp Project".
– Lion Lai
Apr 17 '17 at 7:51
1
...
Python - write() versus writelines() and concatenated strings
...e character '\n' as glue. It is more efficient than using the + operator.
Starting from the same lines sequence, ending up with the same output, but using writelines():
lines = ['line1', 'line2']
with open('filename.txt', 'w') as f:
f.writelines("%s\n" % l for l in lines)
This makes use of a...
How to execute a Ruby script in Terminal?
...
Just call: ruby your_program.rb
or
start your program with #!/usr/bin/env ruby,
make your file executable by running chmod +x your_program.rb
and do ./your_program.rb some_param
share...