大约有 10,300 项符合查询结果（耗时：0.0235秒） [XML]
Splitting a string into chunks of a certain size
...he loop and into a local variable. The C# optimizer may be able to inline array length, but I think the code as written will do a method call on every loop, which is not efficient, since the size of str never changes.
– Daniel Pryden
Sep 21 '09 at 0:47
...
MongoDB relationships: embed or reference?
...it and save that back to the DB.
In general, if your document contains an array of objects, you'll find that those sub-objects will need to be modified client side.
share
|
improve this answer
...
Possible to access the index in a Hash each loop?
... the parens are necessary b/c hash.each gives each key-value pair in an Array. The parens do the same thing as (key,value) = arr, putting the first value (the key) into key, and the second into value.
– rampion
Jan 18 '10 at 2:45
...
How to TryParse for Enum value?
... }
Type underlyingType = Enum.GetUnderlyingType(type);
Array values = Enum.GetValues(type);
// some enums like System.CodeDom.MemberAttributes *are* flags but are not declared with Flags...
if ((!type.IsDefined(typeof(FlagsAttribute), true)) && (input.Inde...
Sync data between Android App and webserver [closed]
...for the protocol, and JSON for the actual data being exchanged. Using JSON Array while manipulating the data is always preferred as it is easy to access data using JSON Array.
Keeping track of data changes on both client and server. You can maintain a changelog of ids that change and pick them up d...
How do I time a method's execution in Java?
... sw.getLastTaskName(),sw.getLastTaskTimeMillis());
System.out.println("\n Array of the data for tasks performed « Task Name: Time Taken");
TaskInfo[] listofTasks = sw.getTaskInfo();
for (TaskInfo task : listofTasks) {
System.out.format("[%s]:[%d]\n",
task.getTaskName(), task.getTi...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
...ound.
Modify the loop to store the PID of each spawned sub-process into an array, and then loop again waiting on each PID.
# run processes and store pids in array
for i in $n_procs; do
./procs[${i}] &
pids[${i}]=$!
done
# wait for all pids
for pid in ${pids[*]}; do
wait $pid
done
...
What is copy-on-write?
...now what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant.
...
Why are C# 3.0 object initializer constructor parentheses optional?
... very small. Basically just various statement contexts, statement lambdas, array initializers and that's about it. It's easy to reason through all the cases and show that there's no ambiguity. Making sure the IDE stays efficient is somewhat harder but can be done without too much trouble.
This sor...
How to call a parent class function from derived class function?
...essors, and had a print(obj&) method. I need a new class that works on array-of-obj but everything else is the same. Composition results in a lot of duplicated code. Inheritance minimizes that, in print(array-of-obj&) loop calling print(obj&), but don't want clients to call print(obj&am...