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How to jump to a particular line in a huge text file?
...is read in memory! So I would definitely rule this answer out for the purpose of quickly accessing a given line in a file.
– MiniQuark
Mar 6 '09 at 21:15
...
StatusbarTools 扩展 - 状态栏自定义工具 · App Inventor 2 中文网
...roid厂商的ROM可能有不同的表现
性能影响: 频繁的状态栏操作可能影响应用性能
用户体验: 合理使用状态栏自定义，避免影响用户使用
测试建议: 在多种设备和Android版本上进行测试
故障排除
常见...
Sending POST data in Android
... params[0]; // URL to call
String data = params[1]; //data to post
OutputStream out = null;
try {
URL url = new URL(urlString);
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
out = new B...
Generating a SHA-256 hash from the Linux command line
...
NOTE: on OS X (BSD), it's echo -n foobar | shasum -a 256
– Olie
Oct 16 '14 at 15:26
6
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When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...wanted to elaborate more about logic behind -viewDidUnload.
One of the most important reasons for implementing it is that UIViewController subclasses commonly also contain owning references to various subviews in the view hierarchy. These properties could have been set through IBOutlets when loa...
detect key press in python?
...
For those who are on windows and were struggling to find an working answer here's mine: pynput
from pynput.keyboard import Key, Listener
def on_press(key):
print('{0} pressed'.format(
key))
def on_release(key):
p...
What is the difference between the kernel space and the user space?
...t mess with memory (and other resources) owned by other programs or by the OS kernel. This limits (but usually doesn't entirely eliminate) their ability to do bad things like crashing the machine.
The kernel is the core of the operating system. It normally has full access to all memory and machine ...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
...from other executing processes written in any language the O/S supports.
Most Linux applications, regardless what language the bulk of the program is written in, depend on shell scripts and Bash has become the most common. Clicking an icon on the desktop usually runs a short Bash script. That scrip...
Having Django serve downloadable files
I want users on the site to be able to download files whose paths are obscured so they cannot be directly downloaded.
15 An...
What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?
...lg) when you sign an APK.
I have JDK 7. In my Ant log, I used -v for verbose and it showed
$ ant -Dadb.device.arg=-d -v release install
[signjar] Executing 'C:\Program Files\Java\jdk1.7.0_03\bin\jarsigner.exe' with arguments:
[signjar] '-keystore'
[signjar] 'C:\cygwin\home\Chloe\pairfinder\releas...