大约有 43,000 项符合查询结果（耗时：0.0465秒） [XML]
Getting attribute using XPath
...e), for
the first element?
Use:
/*/book[1]/title/@lang
This means:
Select the lang attribute of the title element that is a child of the first book child of the top element of the XML document.
To get just the string value of this attribute use the standard XPath function string():
string(...
Where is android studio building my .apk file?
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Go to AndroidStudio projects File
Select the project name,
Select app
Select build
Select Outputs
Select Apk
You will find APK files of app here, if you have ran the app in AVD or even hardware device
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Xcode find caller functions
...e that this caller thing does NOT search for being called under the performSelector method, as in, the particular caller that has this performSelector won't show up if you had done something like:
[self performSelector:@selector(checkIfShouldStopMovement) withObject:nil afterDelay:0.25];
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Install .ipa to iPad with or without iTunes
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In Xcode 5 open the organizer (Window > Organizer) and select "Devices" at the top. Your plugged in device should show up on the left hand side. Drag the IPA file over to that device.
In Xcode 6 and Xcode 7 open Devices (Window > Devices). Again your device should show up in ...
Determine device (iPhone, iPod Touch) with iOS
..._t size;
sysctlbyname("hw.machine", NULL, &size, NULL, 0);
char *machine = malloc(size);
sysctlbyname("hw.machine", machine, &size, NULL, 0);
NSString *platform = [NSString stringWithCString:machine encoding:NSUTF8StringEncoding];
free(machine);
if ([platf...
How to select Python version in PyCharm?
...ntegrated. The issue is as diagnosed above, you have the wrong interpreter selected.
The exact method to fix this for any given project is to go to Project Settings...Project and adjust the Project SDK. You can add a New Project SDK if you don't have Python 3 added by navigating to the python3 bina...
How to return raw string with ApiController?
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Just return Ok(value) won't work, it will be treated as IEnumerable<char>.
Instead use return Ok(new { Value = value }) or simillar.
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Select first occurring element after another element
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#many .more.selectors h4 + p { ... }
This is called the adjacent sibling selector.
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What is so bad about singletons? [closed]
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I disagree with you. Since comments are allowed only 600 chars, I have written a Blog Post to comment on this, please see the link below. jorudolph.wordpress.com/2009/11/22/singleton-considerations
– Johannes Rudolph
Nov 22 '09 at 14:35
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What's the best way to parse command line arguments? [closed]
...ments, and those who are
just like switches.
sys.argv is pretty much your char** argv in C. Like in C you skip the first element which is the name of your program and parse only the arguments : sys.argv[1:]
Getopt.getopt will parse it according to the rule you give in argument.
"ho:v" here descri...