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Windows batch: sleep [duplicate]
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You can try
ping -n XXX 127.0.0.1 >nul
where XXX is the number of seconds to wait, plus one.
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Is it expensive to use try-catch blocks even if an exception is never thrown?
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... and indeed, according to -XX:+UnlockDiagnosticVMOptions -XX:+PrintAssembly, both the loop and the addition therein are present in the generated native code. And no, the abstract methods are not inlined, because their caller is not just in time compile...
Read the package name of an Android APK
...d, search for phrase package and you'll find following:
package manifest $xxx.xxxxxxx.xxxxxxx |
where xxx.xxxxxxx.xxxxxxx is your package name, just written with a space after each character.
It's useful way when you don't have any specific tools installed.
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List all tables in postgresql information_schema
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For private schema 'xxx' in postgresql :
SELECT table_name FROM information_schema.tables
WHERE table_schema = 'xxx' AND table_type = 'BASE TABLE'
Without table_type = 'BASE TABLE' , you will list tables and views
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How to read lines of a file in Ruby
...d "\r\n" from Windows, here's what I would do:
line_num=0
text=File.open('xxx.txt').read
text.gsub!(/\r\n?/, "\n")
text.each_line do |line|
print "#{line_num += 1} #{line}"
end
Of course this could be a bad idea on very large files since it means loading the whole file into memory.
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Django Setup Default Logging
...you'd define a logger for 'django.db'. The django.request logger handles 5xx & 4xx http responses.
– rych
Sep 27 '11 at 22:56
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Bootstrap 3 breakpoints and media queries
...ou can change the media query breakpoints and when it compiles the @screen-xx variables are changed to whatever pixel width you defined as screen-xx. This is how a framework like this can be coded once and then customized by the end user to fit their needs.
A similar question on here that might pr...
Building and running app via Gradle and Android Studio is slower than via Eclipse
...-with-dex-in-process-5988ed8aa37e#.krd1mm27v
org.gradle.jvmargs=-Xmx5120m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http:...
Is it possible to run a single test in MiniTest?
...(temporally) add something to the test name very unique like:
it "my test xxx" do
end
and then use the RegEx version of the '-n' parameter like:
ruby my_test.rb -n /xxx/
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How to install Java SDK on CentOS?
...://www.oracle.com"$1}' | xargs wget --no-cookies --header "Cookie: gpw_e24=xxx; oraclelicense=accept-securebackup-cookie;" -O index.html -q && grep -Eoi '"filepath":"[^"]+jdk-8u[0-9]+-linux-x64.rpm"' index.html | grep -Eoi 'http:[^"]+' | xargs wget --no-cookies --header "Cookie: gpw_e24=xxx;...