大约有 36,030 项符合查询结果（耗时：0.0459秒） [XML]
Apache Proxy: No protocol handler was valid
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This can happen if you don't have mod_proxy_http enabled
sudo a2enmod proxy_http
For me to get my https based load balancer working, i had to enable the following:
sudo a2enmod ssl
sudo a2enmod proxy
sudo a2enmod proxy_balancer
sudo a2enmod pro...
How to prompt for user input and read command-line arguments [closed]
How do I have a Python script that a) can accept user input and how do I make it b) read in arguments if run from the command line?
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How to search contents of multiple pdf files?
...or "your pattern"' \;
The "-" is necessary to have pdftotext output to stdout, not to files.
The --with-filename and --label= options will put the file name in the output of grep.
The optional --color flag is nice and tells grep to output using colors on the terminal.
(In Ubuntu, pdftotext is pro...
What is this weird colon-member (“ : ”) syntax in the constructor?
... initialize all member objects in the member initialization list (however, do note the exceptions listed at the end of the FAQ entry).
The takeaway point from the FAQ entry is that,
All other things being equal, your code will run faster if you use initialization lists rather than assignment....
Regular expressions in an Objective-C Cocoa application
Initial Googling indicates that there's no built-in way to do regular expressions in an Objective-C Cocoa application.
10 A...
possibly undefined macro: AC_MSG_ERROR
...o the autoreconf commandline. Took me some time to realize that pkg-config does not install only binaries. rpm -ql pkgconfig helped.
– Assambar
Dec 2 '14 at 15:52
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How to implement WiX installer upgrade?
...grade element instead of using your own.
For example, we use this code to do automatic upgrades. It prevents downgrades, giving a localised error message, and also prevents upgrading an already existing identical version (i.e. only lower versions are upgraded):
<MajorUpgrade
AllowDowngrades...
How do the major C# DI/IoC frameworks compare? [closed]
...also due to it's use of new language features.)
– ocodo
Jan 5 '11 at 23:08
3
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Mythical man month 10 lines per developer day - how close on large projects? [closed]
... I tend not to think of the amount of code that I've written, only what it does and how well it does it. I certainly wouldn't aim to beat ten lines per day or consider it an achievement to do so.
share
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const vs constexpr on variables
... Let's rename them so that we can talk about them more easily:
const double PI1 = 3.141592653589793;
constexpr double PI2 = 3.141592653589793;
Both PI1 and PI2 are constant, meaning you can not modify them. However only PI2 is a compile-time constant. It shall be initialized at compile tim...