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How to remove all the occurrences of a char in c++ string

...on for you, like: #include <boost/algorithm/string.hpp> boost::erase_all(str, "a"); All of this is well-documented on reference websites. But if you didn't know of these functions, you could easily do this kind of things by hand: std::string output; output.reserve(str.size()); // optional,...
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Parse RSS with jQuery

I want to use jQuery to parse RSS feeds. Can this be done with the base jQuery library out of the box or will I need to use a plugin? ...
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Bundler: Command not found

...t found: bundle λ ruby -v ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux] ### Notice the system Ruby version isn't included in chruby λ chruby ruby-1.9.3-p551 ruby-2.1.2 ruby-2.2.1 ### Select a version via your version manager λ chruby 1.9.3 ### Ensure your version manager p...
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Changing the maximum length of a varchar column?

... You need ALTER TABLE YourTable ALTER COLUMN YourColumn <<new_datatype>> [NULL | NOT NULL] But remember to specify NOT NULL explicitly if desired. ALTER TABLE YourTable ALTER COLUMN YourColumn VARCHAR (500) NOT NULL; If you leave it unspecified as below... ALTER TABLE Your...
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How can I change the language (to english) in Oracle SQL Developer?

... language: IncludeConfFile ../../ide/bin/ide.conf SetJavaHome D:\jdk1.6.0_25 AddVMOption -Doracle.ide.util.AddinPolicyUtils.OVERRIDE_FLAG=true AddVMOption -Dsun.java2d.ddoffscreen=false AddVMOption -Dwindows.shell.font.languages= AddVMOption -Duser.language=fr AddVMOption -Duser.country=FR Add...
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Get the date (a day before current time) in Bash

... a one-liner, so cut and paste should work -- no line endings assumed. date_days_past () { days_past=${1:-0}; if ! date -v-${days_past}d +%Y%m%d 2>/dev/null; then date --date="-${days_past} day" +%Y%m%d; fi } – Noah Spurrier May 16 '16 at 21:29 ...
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How do you check in python whether a string contains only numbers?

...mbers. Formally, a digit is a character that has the property value Numeric_Type=Digit or Numeric_Type=Decimal. share | improve this answer | follow | ...
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What is the best way to solve an Objective-C namespace collision?

...u using the modern or legacy runtimes, are you fat or single architecture, 32 or 64 bit, what OS releases are you targeting, are you dynamically linking, statically linking, or do you have a choice, and is it potentially okay to do something that might require maintenance for new software updates. ...
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Gitignore not working

My .gitignore file isn't working for some reason, and no amount of Googling has been able to fix it. Here is what I have: ...
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How to prevent the activity from loading twice on pressing the button

I am trying to prevent the activity from loading twice if I press the button twice instantly after the first click. 19 Answ...