大约有 15,210 项符合查询结果（耗时：0.0295秒） [XML]
How do I get the APK of an installed app without root access?
...Execute permission on a directory means you can access it, however lack of read permission means you cannot obtain a listing of its contents -- so in order to access it you must know the name of the file that you will be accessing. Android's package manager will tell you the name of the stored apk f...
How can I get my Twitter Bootstrap buttons to right align?
... I don't understand this answer. In the question the example code is already using pull-right.
– guival
Nov 20 '17 at 10:04
...
Return a value if no rows are found in Microsoft tSQL
...
I read all the answers here, and it took a while to figure out what was going on. The following is based on the answer by Moe Sisko and some related research
If your SQL query does not return any data there is not a field wit...
What is the difference between Java RMI and RPC?
...complex than a pure client-server architecture arises. It's very easy to spread out objects over a network enabling all the clients to communicate without having to stablish individual connections explicitly.
share
...
Convert JSON String To C# Object
...ne(routes_list["test"]);
If you want to use the dynamic keyword, you can read how here.
If you declare a class or struct, you can call Deserialize instead of DeserializeObject like so:
class MyProgram {
struct MyObj {
public string test { get; set; }
}
static void Main(strin...
How can you determine how much disk space a particular MySQL table is taking up?
...our control panel by clicking on the database name in the left frame
and reading the size for the tables in there in the right frame.
The below query will as well help to get the same information in bytes
select SUM(data_length) + SUM(index_length) as total_size
from information_schema.tables ...
Identify duplicates in a List
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The method add of Set returns a boolean whether a value already exists (true if it does not exist, false if it already exists, see Set documentation).
So just iterate through all the values:
public Set<Integer> findDuplicates(List<Integer> listContainingDuplicates)
{
...
How do I make a JAR from a .java file?
...manifest, like so:
jar -cvfm myJar.jar myManifest.txt myApp.class
Which reads: "create verbose jarFilename manifestFilename", followed by the files you want to include. Verbose means print messages about what it's doing.
Note that the name of the manifest file you supply can be anything, as jar ...
Automatically import modules when entering the python or ipython interpreter
...THONSTARTUP. From the official documentation:
If this is the name of a readable file, the Python commands in that
file are executed before the first prompt is displayed in interactive
mode. The file is executed in the same namespace where interactive
commands are executed so that objects d...
Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
... String body = getRequestBody(webRequest);
String val = JsonPath.read(body, parameter.getMethodAnnotation(JsonArg.class).value());
return val;
}
private String getRequestBody(NativeWebRequest webRequest){
HttpServletRequest servletRequest = webRequest.getNativeRequ...