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How to use if - else structure in a batch file?
I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you.
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ssh: connect to host github.com port 22: Connection timed out
...under a proxy and I am pushing in to git successfully for quite a while.
Now I am not able to push into git all of a sudden.
I have set the RSA key and the proxy and double checked them, with no avail and git is throwing me the error shown in the title of the page.
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matplotlib does not show my drawings although I call pyplot.show()
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This answer is old, config should now be in ~/.config/matplotlib/matplotlibrc (for python 3, at least). I just had a related problem, and I think it was caused by using matplotlib in python 2.7, which created a ~/.matplotlib/ directory, and stopped python 3 f...
Why can't variable names start with numbers?
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It's a convention now, but it started out as a technical requirement.
In the old days, parsers of languages such as FORTRAN or BASIC did not require the uses of spaces. So, basically, the following are identical:
10 V1=100
20 PRINT V1
and
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Bundler: Command not found
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Under uBuntu 11.04, the latest command path is now export PATH=$PATH:/var/lib/gems/1.8/bin
– Antony
Jul 16 '11 at 2:13
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Trying to start a service on boot on Android
...on android:name="android.intent.action.QUICKBOOT_POWERON" />
Receiver now look like this:
<receiver android:name="org.yourapp.OnBoot">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
<action android:name="android.intent.act...
How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
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Collation works for most cases, but if you've got other language characters in your data, it will return false positives: /schwarz-weiß versus: /schwarz-weiss
– Lazlow
Jul 23 '19 at 9:14
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逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...。用C语言重写一下，得出：
int func4(int n)
{
if (n <= 1)
return 1;
int ret = 0;
for(int i = n; i > 1; i -= 2)
{
int m = i - 1;
ret += func4(m);
}
return ret + 1;
}
最后，只要暴力搜索...
Why does Javascript's regex.exec() not always return the same value? [duplicate]
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A JavaScript RegExp object is stateful.
When the regex is global, if you call a method on the same regex object, it will start from the index past the end of the last match.
When no more matches are found, the index is reset to 0 automatically.
To reset it manually, set the lastIndex pr...
How do you format an unsigned long long int using printf?
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Use the ll (el-el) long-long modifier with the u (unsigned) conversion. (Works in windows, GNU).
printf("%llu", 285212672);
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