大约有 35,100 项符合查询结果（耗时：0.0350秒） [XML]
How do I get the find command to print out the file size with the file name?
...sion) or find . -name '*.ear' -print0 | xargs -0 ls -lh. Also you may like to add -type f if you're only interested in files (or add -d to ls if you want directories themselves included without their contents).
– ash108
Mar 24 '12 at 14:36
...
How can I multiply and divide using only bit shifting and adding?
... and shifting you want to decompose one of the numbers by powers of two, like so:
21 * 5 = 10101_2 * 101_2 (Initial step)
= 10101_2 * (1 * 2^2 + 0 * 2^1 + 1 * 2^0)
= 10101_2 * 2^2 + 10101_2 * 2^0
= 10101_2 << 2 + 10101_2 << 0 (Decomposed)
= 1...
C++ performance challenge: integer to std::string conversion
Can anyone beat the performance of my integer to std::string code, linked below?
13 Answers
...
How to debug PDO database queries?
...st echo the final SQL query string, try it myself on the database, and tweak it until I fixed the error, then put that back into the code.
...
adb shell command to make Android package uninstall dialog appear
...ng this command:
adb shell am start -a android.intent.action.DELETE -d package:<your app package>
share
|
improve this answer
|
follow
|
...
Way to get all alphabetic chars in an array in PHP?
...
PEZPEZ
15.5k66 gold badges3636 silver badges6161 bronze badges
...
What is the argument for printf that formats a long?
The printf function takes an argument type, such as %d or %i for a signed int . However, I don't see anything for a long value.
...
how to mysqldump remote db from local machine
...remote server, but the server does not have mysqldump installed. I would like to use the mysqldump on my machine to connect to the remote database and do the dump on my machine.
...
Java: How to convert List to Map
...
List<Item> list;
Map<Key,Item> map = new HashMap<Key,Item>();
for (Item i : list) map.put(i.getKey(),i);
Assuming of course that each Item has a getKey() method that returns a key of the proper type.
...
Plot yerr/xerr as shaded region rather than error bars
...size=y.shape)
y += np.random.normal(0, 0.1, size=y.shape)
plt.plot(x, y, 'k-')
plt.fill_between(x, y-error, y+error)
plt.show()
See also the matplotlib examples.
share
|
improve this answer
...