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How to convert timestamps to dates in Bash?
...ring is too complex to be documented in the manpage, so it is described in info: info '(coreutils) date invocation'
– MByD
Mar 23 '16 at 8:48
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How do I iterate over an NSArray?
...ictionary, NSArray, NSSet etc.) provide a very nice interface for managing information, without having to worry about the bureaucracy of memory management, reallocation etc. Of course this does come at a cost though. I think it's pretty obvious that say using an NSArray of NSNumbers is going to be s...
How to check if command line tools is installed
...lect -p 1>/dev/null;echo $?
10.9 Mavericks Update:
Use pkgutil --pkg-info=com.apple.pkg.CLTools_Executables
10.8 Update:
Option 1: Rob Napier suggested to use pkgutil --pkg-info=com.apple.pkg.DeveloperToolsCLI, which is probably cleaner.
Option 2: Check inside /var/db/receipts/com.apple.pkg...
How to copy a directory structure but only include certain files (using windows batch files)
...ou can use ROBOCOPY, try this:
ROBOCOPY C:\Source C:\Destination data.zip info.txt /E
EDIT: Changed the /S parameter to /E to include empty folders.
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Detect permission of camera in iOS
...
}
Since iOS 10 you need to specify
NSCameraUsageDescription key in your Info.plist to be able ask for camera access, otherwise your app will crash at runtime. See APIs Requiring Usage Descriptions.
As an interesting side note, did you know that iOS kills the app if it's running while you change ...
Disable Rails SQL logging in console
...level = 1 is a much better answer as it won't raise exceptions if you use .info and others.
– Dirty Henry
Feb 4 '14 at 16:26
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mysqldump data only
...e syntax for dumping all data in my mysql database. I don't want any table information.
8 Answers
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Log exception with traceback
...he except: handler/block to log the current exception along with the trace information, prepended with a message.
import logging
LOG_FILENAME = '/tmp/logging_example.out'
logging.basicConfig(filename=LOG_FILENAME, level=logging.DEBUG)
logging.debug('This message should go to the log file')
try:
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How do I check CPU and Memory Usage in Java?
...;
import java.io.File;
import java.text.NumberFormat;
public class systemInfo {
private Runtime runtime = Runtime.getRuntime();
public String Info() {
StringBuilder sb = new StringBuilder();
sb.append(this.OsInfo());
sb.append(this.MemInfo());
sb.append(th...
Can Selenium Webdriver open browser windows silently in background?
...vers/chromedriver', chrome_options=options)
I also add you a bit more of info about this in the official Google website https://developers.google.com/web/updates/2017/04/headless-chrome
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